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Kansas system directory

Find a community water system

Search every Kansas community water system with a current nitrate result. Open a system to see its latest reading, reporting date, nitrate band and population served.

547

systems with a current result

2,284,407

people served by them

42

systems carrying a supplier result

206

systems at or above 5 mg/L

How to read the directory: each system is placed in a band by its most recent reported result in the rolling three-year window. Purchased-water systems carry their supplier's result and are tagged. Bands describe how strongly human activity, read from nitrate, has marked a water source; they are not a safety verdict.

Showing 547 of 547 systems

A

City of AbbyvilleHealth-study range8.20 mg/LJan 202581 served City of AbileneNatural background0.89 mg/LApr 20256,468 served City of AgendaHealth-study range9.10 mg/LApr 202544 served City of AgraHealth-study range5.60 mg/LApr 2025200 served City of AlexanderHuman impact clear3.50 mg/LJun 202549 served City of AlmenaHuman impact clear4.40 mg/LJan 2025366 served City of AltonHuman impact likely1.80 mg/LJan 2025100 served City of AndaleHealth-study range9.78 mg/LAug 2025938 served Anderson Co Rwd 1CHuman impact likely1.60 mg/LMay 20252,112 served City of AnthonyHealth-study range8.70 mg/LOct 20252,043 served City of ArgoniaHealth-study range6.30 mg/LApr 2025455 served City of ArlingtonAbove the federal limit11.00 mg/LOct 2025431 served Arnold Waterworks IncHealth-study range6.10 mg/LJan 202540 served City of AshlandHuman impact likely1.90 mg/LJul 2025770 served City of AssariaHuman impact likely1.40 mg/LJan 2025427 served City of AtchisonHuman impact likely1.50 mg/LJan 202510,694 served Atchison Co Rwd 1Human impact likely1.50 mg/LJan 2025490 served Atchison Co Rwd 3Human impact likely1.50 mg/LJan 2025110 served Atchison Co Rwd 5CHuman impact likely1.50 mg/LJan 20253,690 served Atchison Co Rwd 6Human impact likely1.50 mg/LJan 2025670 served City of AtticaHealth-study range5.60 mg/LFeb 2025506 served City of AtwoodHealth-study range7.10 mg/LSep 20251,282 served City of AuroraHuman impact likely2.10 mg/LJan 202553 served

B

Backcountry, LlcHuman impact likely1.50 mg/LFeb 202584 served City of Baldwin CityNatural background0.78 mg/LFeb 20254,882 served Barber Co Rwd 1Human impact likely1.00 mg/LApr 202595 served Barber Co Rwd 2Human impact likely2.50 mg/LFeb 2025245 served Barber Co Rwd 3Health-study range5.30 mg/LFeb 2025230 served City of Barnardpurchased waterNatural background0.60 mg/LJan 202557 served City of BarnesHealth-study range9.50 mg/LOct 2025161 served Barton Co Rwd 2Health-study range5.20 mg/LMar 2025368 served Barton County Community CollegeHealth-study range5.20 mg/LMar 20251,000 served Barton Hills AdditionHuman impact clear4.10 mg/LJun 2025176 served City of Baxter SpringsHuman impact likely1.60 mg/LJan 20253,852 served City of BazineHealth-study range7.00 mg/LFeb 2025279 served City of BeattieHuman impact clear3.90 mg/LJan 2025199 served City of Bel AireNatural background0.61 mg/LJul 20258,448 served City of Belle PlaineAbove the federal limit11.00 mg/LApr 20251,468 served City of BellevilleHealth-study range8.30 mg/LApr 20252,021 served City of BeloitNatural background0.60 mg/LJan 20253,407 served City of BelpreHealth-study range9.20 mg/LNov 202598 served City of BelvueHuman impact likely1.10 mg/LJan 2025190 served City of BenningtonHuman impact clear3.30 mg/LJan 2025635 served City of BentleyNatural background0.82 mg/LJul 2025569 served City of BentonNatural background0.82 mg/LJul 2025946 served City of Bird CityHealth-study range5.60 mg/LAug 2025437 served City of BisonHealth-study range9.30 mg/LNov 2025178 served City of Blue MoundHuman impact likely1.60 mg/LMay 2025223 served City of Blue RapidsHuman impact likely2.50 mg/LJan 2025921 served City of Bluff CityHuman impact likely2.10 mg/LFeb 202544 served City of BogueHuman impact clear3.70 mg/LApr 2025151 served City of Bonner SpringsNatural background0.66 mg/LMay 20257,805 served Bourbon Co Rwd 2CHuman impact likely1.60 mg/LMay 20257,050 served City of BrewsterHealth-study range5.80 mg/LJan 2025290 served Brookover Land Enterprises, L.P.Health-study range6.60 mg/LMay 20251,180 served Brown Co Rwd 1Health-study range7.30 mg/LApr 2025709 served Brown Co Rwd 2Health-study range7.50 mg/LOct 2025724 served City of BrownellHealth-study range7.30 mg/LFeb 202526 served City of BucklinHuman impact clear4.50 mg/LFeb 2025771 served Buffalo Hills ParkHealth-study range5.60 mg/LMar 2025135 served City of Burr OakHealth-study range5.60 mg/LFeb 2025142 served City of BurrtonHuman impact clear4.10 mg/LFeb 2025854 served City of BushtonNatural background0.56 mg/LJan 2025199 served

C

City of CantonAbove the federal limit11.00 mg/LJul 2025699 served City of CarbondaleNatural background0.70 mg/LFeb 20251,344 served City of Cedar PointHuman impact clear3.90 mg/LFeb 202527 served City of CentraliaNatural background0.99 mg/LJun 2025486 served City of ChapmanHuman impact clear4.90 mg/LApr 20251,377 served City of ChaseHuman impact clear4.10 mg/LFeb 2025390 served City of CheneyHealth-study range8.50 mg/LFeb 20252,170 served Cherokee Co Rwd 7Human impact clear3.00 mg/LJan 2025158 served Cherokee Co Rwd 9Human impact likely1.60 mg/LJan 2025900 served Chisholm Creek Utility AuthorityNatural background0.61 mg/LJul 20251 served City of CimarronHuman impact clear4.60 mg/LFeb 20251,973 served City of Circlevillepurchased waterHuman impact clear3.50 mg/LMay 2025155 served City of ClaflinHealth-study range5.90 mg/LJan 2025553 served City of Clay CenterHuman impact likely2.90 mg/LFeb 20254,138 served Clay Co Rwd 1Human impact likely2.90 mg/LFeb 2025105 served Clay Co Rwd 2Human impact likely2.20 mg/LFeb 2025950 served City of ClaytonHuman impact likely2.00 mg/LFeb 202546 served City of ClearwaterHuman impact clear4.60 mg/LJan 20252,626 served City of CliftonHuman impact clear3.20 mg/LFeb 2025455 served City of CoatsHealth-study range5.80 mg/LFeb 202568 served City of CoffeyvilleNatural background0.53 mg/LApr 20258,847 served City of ColbyHealth-study range8.80 mg/LFeb 20255,516 served City of ColdwaterHealth-study range6.10 mg/LJan 2025672 served City of CollyerHealth-study range6.50 mg/LFeb 202594 served City of ColumbusHuman impact clear3.00 mg/LJan 20252,882 served City of ColwichHealth-study range6.80 mg/LFeb 20251,463 served Comanche Co Rwd 1Human impact likely2.20 mg/LJun 202577 served Comanche Co Rwd 2Health-study range8.60 mg/LJan 2025173 served City of ConcordiaHuman impact clear3.10 mg/LJun 20255,032 served City of Conway SpringsHealth-study range7.20 mg/LJul 20251,106 served City of CopelandAbove the federal limit18.30 mg/LMay 2025251 served City of CorningNatural background0.99 mg/LJun 2025213 served Country View Mobile Home ParkHealth-study range8.90 mg/LMar 2025125 served Countryside Estates Mhp Hays Ks, LlcHealth-study range5.50 mg/LApr 2025300 served City of CourtlandHuman impact clear3.00 mg/LOct 2025288 served Cowley Co Rwd 1Human impact likely1.50 mg/LJan 20251,500 served Cowley Co Rwd 3Natural background0.96 mg/LJan 20252,500 served Cowley Co Rwd 6Human impact clear4.00 mg/LJan 2025792 served City of CullisonHealth-study range7.10 mg/LFeb 202583 served City of CunninghamHealth-study range6.60 mg/LMar 2025462 served

D

City of DamarAbove the federal limit16.00 mg/LFeb 2025115 served City of DearingNatural background0.53 mg/LApr 2025376 served City of DeerfieldHuman impact likely2.90 mg/LJan 2025692 served City of DeliaHuman impact likely1.10 mg/LJan 2025149 served City of DelphosHealth-study range8.00 mg/LApr 2025306 served City of DenisonHuman impact clear3.50 mg/LMay 2025145 served City of DerbyNatural background0.82 mg/LJul 202525,413 served City of DexterHuman impact clear3.60 mg/LMar 2025226 served Dickinson Co Rwd 1Human impact clear4.50 mg/LApr 2025879 served Dickinson Co Rwd 2Natural background0.89 mg/LApr 20251,703 served City of DightonHealth-study range9.10 mg/LFeb 2025954 served City of Dodge CityHealth-study range9.80 mg/LFeb 202527,104 served Doniphan Co Rwd 3purchased waterHuman impact likely1.50 mg/LJan 2025437 served Doniphan Co Rwd 5purchased waterNatural background0.49 mg/LMar 20261,457 served Doniphan Co Rwd 6Health-study range7.50 mg/LOct 2025428 served City of DorranceHuman impact clear3.70 mg/LFeb 2025145 served Douglas Co Rwd 1Natural background0.78 mg/LFeb 20251,400 served Douglas Co Rwd 2Natural background0.78 mg/LFeb 20251,163 served Douglas Co Rwd 4Natural background0.78 mg/LFeb 20253,000 served Douglas Co Rwd 5Health-study range7.70 mg/LDec 20252,500 served Douglas Co Rwd 6Natural background0.78 mg/LFeb 2025360 served City of DouglassHuman impact likely2.10 mg/LMar 20251,551 served City of DownsAbove the federal limit10.00 mg/LMar 2025804 served City of DurhamHuman impact likely2.90 mg/LFeb 202586 served

E

East Garden Village Mobile Home ParkHuman impact clear4.00 mg/LJan 20251,575 served City of Edgertonpurchased waterNatural background0.90 mg/LAug 20251,741 served City of ElbingHuman impact clear3.90 mg/LJul 2025225 served City of ElginHuman impact likely2.30 mg/LFeb 202556 served City of Elk CityNatural background0.57 mg/LApr 2025292 served City of ElkhartHealth-study range5.70 mg/LJul 20251,884 served City of EllinwoodHuman impact likely2.70 mg/LFeb 20251,989 served City of EllisHuman impact likely2.90 mg/LMar 20252,001 served Ellis Co Rwd 1CHealth-study range5.80 mg/LApr 2025340 served Ellis Co Rwd 3Health-study range6.00 mg/LJul 2025200 served Ellis Co Rwd 6Health-study range5.80 mg/LSep 2025383 served City of EllsworthHealth-study range6.90 mg/LMar 20252,992 served City of Elwoodpurchased waterNatural background0.49 mg/LMar 20261,114 served City of EmmettHuman impact likely2.50 mg/LMar 2025170 served City of EnglewoodHuman impact likely1.30 mg/LApr 202554 served City of EnsignHealth-study range6.00 mg/LJan 2025167 served City of EnterpriseHuman impact clear3.50 mg/LJan 2025714 served City of EsbonHealth-study range9.20 mg/LMar 202568 served City of EverestHealth-study range7.20 mg/LMar 2025259 served

F

Finney Co Rwd 1Human impact clear3.60 mg/LFeb 20252,200 served City of FordAbove the federal limit22.00 mg/LFeb 2025204 served City of FormosoHuman impact clear3.00 mg/LOct 202592 served Fort Leavenworth American Water Ent LlcNatural background0.05 mg/L202512,934 served City of Fort ScottHuman impact likely1.20 mg/LApr 20257,513 served City of FowlerHealth-study range5.30 mg/LMar 2025532 served City of FrankfortHuman impact likely1.50 mg/LMar 2025717 served Franklin Co Rwd 2purchased waterNatural background0.25 mg/LMay 2024400 served Franklin Co Rwd 3purchased waterNatural background0.25 mg/LMay 202485 served Franklin Co Rwd 4purchased waterNatural background0.25 mg/LMay 20242,281 served Franklin Co Rwd 5purchased waterNatural background0.78 mg/LFeb 2025855 served Franklin Co Rwd 6Human impact likely1.40 mg/LJun 20252,960 served Frusi Water Treatment PlantNatural background0.68 mg/LJan 202435,784 served City of Fultonpurchased waterHuman impact likely1.60 mg/LMay 2025165 served

G

G And P Properties LlcHuman impact likely1.40 mg/LMar 202550 served City of Galenapurchased waterNatural background0.05 mg/LJun 20262,743 served City of Galesburgpurchased waterHuman impact likely1.10 mg/LMay 2025147 served City of GalvaHuman impact clear3.20 mg/LMar 2025870 served City of Garden CityHuman impact clear4.00 mg/LJan 202535,126 served City of Garden PlainHealth-study range5.54 mg/LMay 2025941 served City of GaylordHuman impact likely1.90 mg/LMar 202583 served Geary Co Rwd 1Human impact likely1.40 mg/LApr 2025216 served Geary Co Water District 2Natural background0.70 mg/LApr 202578 served City of GeneseoHuman impact likely2.50 mg/LOct 2025231 served City of Geuda SpringsHuman impact likely2.70 mg/LMar 2025151 served City of GladeHealth-study range5.30 mg/LMar 202552 served City of GlascoHuman impact clear4.30 mg/LFeb 2025441 served City of Glen ElderHuman impact clear3.40 mg/LMar 2025359 served City of GoddardHuman impact likely2.40 mg/LMar 20255,372 served City of GoesselHealth-study range9.00 mg/LMar 2025558 served City of GoodlandHealth-study range8.70 mg/LMar 20254,450 served City of GorhamNatural background0.53 mg/LJan 2025381 served City of GoveHuman impact likely1.50 mg/LJan 202583 served City of GrainfieldHealth-study range7.40 mg/LMar 2025321 served City of Grandview PlazaHuman impact likely1.40 mg/LApr 20251,663 served City of Great BendHealth-study range9.00 mg/LMar 202514,580 served City of GreeleyHuman impact likely1.60 mg/LMay 2025271 served City of GreenHealth-study range5.20 mg/LJul 202597 served City of GreenleafHealth-study range8.55 mg/LMar 2025347 served City of GreensburgHuman impact clear4.60 mg/LFeb 2025714 served City of GrinnellHuman impact clear3.60 mg/LMar 2025257 served

H

City of HaddamHuman impact likely1.10 mg/LMar 2025109 served City of Halsteadpurchased waterHuman impact clear3.20 mg/LMay 20252,165 served City of HanoverHealth-study range8.90 mg/LNov 2025689 served City of HanstonNatural background0.93 mg/LFeb 2025260 served City of HardtnerHuman impact likely2.80 mg/LMar 2025164 served City of HarperHealth-study range7.00 mg/LFeb 20251,273 served Harper Co Rwd 1Health-study range7.00 mg/LFeb 202550 served Harper Co Rwd 2purchased waterHealth-study range8.70 mg/LOct 2025275 served Harper Co Rwd 4Health-study range6.30 mg/LApr 2025110 served Harper Co Rwd 5Health-study range7.00 mg/LFeb 2025209 served Harvey Co Rwd 1Human impact clear3.90 mg/LJul 20253,000 served City of HavenHealth-study range8.00 mg/LOct 20251,149 served City of HavensvilleHuman impact likely1.00 mg/LJul 2025125 served City of HavilandHealth-study range7.70 mg/LOct 2025651 served Hawks LandingHuman impact likely2.40 mg/LNov 202551 served City of HaysHealth-study range5.50 mg/LApr 202521,040 served Hays Suburban EstatesAbove the federal limit11.00 mg/LOct 202538 served City of HaysvilleHealth-study range6.90 mg/LMar 202511,315 served City of HazeltonHuman impact clear4.70 mg/LApr 202584 served City of HerndonHuman impact clear4.50 mg/LApr 2025121 served City of HesstonHuman impact clear3.30 mg/LApr 20253,495 served City of HiawathaHealth-study range7.80 mg/LOct 20253,246 served City of HighlandHealth-study range7.20 mg/LOct 2025917 served City of Hill CityHuman impact clear3.70 mg/LApr 20251,410 served Hillcrest CourtsHuman impact clear4.30 mg/LApr 202525 served City of HolcombHealth-study range7.70 mg/LFeb 20252,228 served City of HolyroodHuman impact likely1.40 mg/LApr 2025409 served City of HoraceAbove the federal limit12.00 mg/LOct 2025102 served City of HortonHealth-study range8.10 mg/LApr 20251,514 served City of HoxieHealth-study range8.90 mg/LApr 20251,218 served City of Hoytpurchased waterHuman impact likely1.30 mg/L2024599 served City of HugotonHealth-study range7.70 mg/LApr 20253,764 served City of HutchinsonHuman impact likely2.70 mg/LApr 202539,712 served

I

City of IngallsHuman impact likely2.40 mg/LFeb 2025249 served City of InmanHuman impact clear3.00 mg/LApr 20251,316 served City of IsabelHealth-study range9.20 mg/LJun 202566 served City of IukaAbove the federal limit12.00 mg/LOct 2025155 served

J

Jackson Co Rwd 1purchased waterHuman impact likely1.30 mg/L20242,500 served Jackson Co Rwd 3Human impact clear3.50 mg/LMay 20254,376 served City of JamestownHuman impact clear3.60 mg/LApr 2025234 served Jefferson Co Rwd 1Health-study range8.10 mg/LApr 20252,343 served Jefferson Co Rwd 10Human impact clear3.10 mg/LMay 2025300 served Jefferson Co Rwd 12Human impact likely1.30 mg/LApr 20253,635 served Jefferson Co Rwd 15Health-study range8.10 mg/LApr 2025563 served Jefferson Co Rwd 2Human impact clear3.40 mg/LJun 2025642 served Jefferson Co Rwd 7Health-study range6.30 mg/LMay 20251,180 served City of JenningsHuman impact clear4.60 mg/LApr 202580 served City of JetmoreHuman impact clear3.60 mg/LFeb 2025759 served City of Jewellpurchased waterNatural background0.60 mg/LJan 2025365 served Jewell Co Rwd 1Human impact clear4.90 mg/LApr 2025959 served City of Johnson CityHealth-study range6.50 mg/LFeb 20251,343 served Johnson Co Rwd 7Natural background0.90 mg/LAug 20256,457 served City of Junction CityHuman impact likely1.40 mg/LApr 202519,167 served

K

City of KanopolisHealth-study range5.80 mg/LJan 2025453 served City of KanoradoHealth-study range7.10 mg/LMar 2025155 served Kansas City Board of Public UtilitiesNatural background0.66 mg/LMay 2025152,960 served Kansas Soldiers HomeHuman impact likely2.40 mg/LOct 2025130 served City of KechiNatural background0.82 mg/LJul 20252,261 served City of KensingtonHealth-study range9.20 mg/LApr 2025401 served City of KingmanHealth-study range7.10 mg/LApr 20253,062 served Kingman Co Rwd 1Health-study range7.10 mg/LApr 2025280 served City of KinsleyHuman impact clear3.50 mg/LApr 20251,417 served City of KiowaHuman impact clear4.70 mg/LApr 2025869 served City of KirwinHealth-study range5.10 mg/LMar 2025132 served City of KismetHuman impact clear3.60 mg/LFeb 2025337 served

L

Labette Co Rwd 1CNatural background0.76 mg/LMay 2025285 served Labette Co Rwd 5Human impact likely1.10 mg/LMay 20251,635 served Labette Co Rwd 6Natural background0.53 mg/LApr 20251,550 served Lakeside Village Improvement DistNatural background0.79 mg/LMay 2025343 served City of LakinHuman impact likely1.50 mg/LMar 20252,166 served Lan Del Water DistrictNatural background0.66 mg/LMay 20257,302 served City of LaneHuman impact likely1.40 mg/LJun 2025244 served Lane Co Rwd 1Health-study range8.80 mg/LDec 2024256 served City of LarnedHealth-study range7.40 mg/LFeb 20253,621 served Larned State HospitalHealth-study range7.40 mg/LFeb 20251,900 served City of LawrenceNatural background0.78 mg/L202595,256 served Leavenworth Co Rwd 1CNatural background0.66 mg/LMay 20253,200 served Leavenworth Co Rwd 2Human impact likely1.30 mg/LApr 2025483 served Leavenworth Co Rwd 5CHuman impact likely1.30 mg/LApr 2025780 served Leavenworth Co Rwd 6purchased waterNatural background0.66 mg/LMay 2025240 served Leavenworth Co Rwd 7Health-study range8.40 mg/LOct 20253,000 served Leavenworth Co Rwd 8Human impact likely1.30 mg/LApr 20252,500 served Leavenworth Co Rwd 9purchased waterNatural background0.66 mg/LMay 20252,000 served Leavenworth Water DepartmentHuman impact likely1.30 mg/L202538,757 served City of LebanonHealth-study range5.30 mg/LJul 2025182 served City of LehighHuman impact clear4.80 mg/LApr 2025159 served City of LenoraHuman impact likely1.00 mg/LApr 2025206 served City of LeonNatural background0.57 mg/LMar 2025667 served City of LeonardvilleHealth-study range7.00 mg/LApr 2025436 served City of LeotiHealth-study range5.20 mg/LFeb 20251,430 served City of LewisAbove the federal limit10.00 mg/LFeb 2025390 served City of LiberalHuman impact clear3.90 mg/LApr 202519,640 served City of LincolnHealth-study range5.30 mg/LFeb 20251,181 served City of LindsborgHuman impact likely1.70 mg/LApr 20253,496 served City of LinnHealth-study range5.10 mg/LJan 2025382 served Linn Co Rwd 1Human impact likely1.60 mg/LMay 20251,200 served Linn Co Rwd 2Human impact likely1.60 mg/LMay 20251,960 served Linn Co Rwd 3Human impact likely1.60 mg/LMay 2025710 served City of Little RiverHuman impact clear4.90 mg/LApr 2025474 served City of LoganHuman impact likely1.70 mg/LApr 2025440 served City of Long IslandHuman impact likely2.70 mg/LApr 2025135 served City of LongfordNatural background0.73 mg/LApr 202573 served City of LouisburgNatural background0.97 mg/LMay 20254,994 served City of LucasHealth-study range6.00 mg/LJan 2025337 served City of LyonsHealth-study range8.20 mg/LApr 20253,556 served

M

M And M Mobile Home CourtHuman impact likely2.70 mg/LFeb 202546 served City of MacksvilleHuman impact likely2.60 mg/LApr 2025471 served City of MaizeNatural background0.82 mg/LApr 20256,060 served City of ManchesterHuman impact clear4.50 mg/LApr 202549 served City of MankatoHealth-study range5.70 mg/LApr 2025848 served City of ManterHuman impact likely1.90 mg/LMar 2025127 served City of Maple HillHuman impact likely2.40 mg/LApr 2025646 served Marais Des Cygnes Public Utility AuthNatural background0.97 mg/LMay 20251 served Marion Co Rwd 1Human impact likely1.60 mg/LApr 2025780 served Marion Co Rwd 2purchased waterHealth-study range7.60 mg/LMay 2025175 served Marion Co Rwd 4Health-study range7.60 mg/LMay 20251,398 served City of MarquetteHuman impact likely1.40 mg/LApr 2025596 served Marshall Co Rwd 1purchased waterHuman impact clear3.90 mg/LJan 2025160 served Marshall Co Rwd 3Human impact clear3.90 mg/LJan 20251,228 served City of MarysvilleHealth-study range5.80 mg/LApr 20253,417 served City of Matfield GreenNatural background0.59 mg/LMay 202552 served City of MayettaHuman impact clear3.50 mg/LMay 2025356 served City of MayfieldHuman impact clear4.90 mg/LJul 202574 served Mcconnell AfbNatural background0.82 mg/LJul 20256,009 served City of MccrackenHuman impact likely2.00 mg/LMay 2025154 served City of McdonaldHealth-study range5.90 mg/LMay 2025116 served City of McfarlandHuman impact likely1.60 mg/LMay 2025281 served City of McphersonHuman impact likely1.40 mg/LMay 202513,944 served Mcpherson Co Rwd 1Natural background0.72 mg/LApr 2025176 served Mcpherson Co Rwd 2Human impact likely1.40 mg/LMay 2025186 served Mcpherson Co Rwd 3Human impact likely1.40 mg/LMay 202528 served Mcpherson Co Rwd 4Human impact likely1.40 mg/LMay 2025636 served Mcpherson Co Rwd 6Human impact likely1.70 mg/LApr 2025500 served City of MeadeHuman impact clear3.80 mg/LMay 20251,506 served Meadow Acres Mhp Hays Ks, LlcHealth-study range6.40 mg/LJan 2025134 served City of Medicine LodgeHuman impact likely1.00 mg/LApr 20251,723 served Mendoza Mobile Home ParkHuman impact clear4.90 mg/LFeb 202565 served Metro Topeka Airport Authoritypurchased waterHuman impact likely1.30 mg/L2024500 served Miami Co Rwd 3Human impact likely1.60 mg/LMay 20252,435 served Miller Mobile Home ParkHuman impact clear3.60 mg/LMay 2025113 served City of MiltonvaleHealth-study range5.00 mg/LJun 2025444 served City of MinneapolisNatural background0.68 mg/LMay 20251,948 served City of MinneolaHealth-study range7.60 mg/LJan 2025752 served Mitchell Co Rwd 1Natural background0.60 mg/LJan 2025345 served Mitchell Co Rwd 3Natural background0.60 mg/LJan 20252,048 served City of MontezumaHealth-study range5.40 mg/LJul 2025951 served Montgomery Co Rwd 14Natural background0.53 mg/LApr 2025330 served Montgomery Co Rwd 1CNatural background0.53 mg/LApr 20252,450 served Montgomery Co Rwd 2C Apurchased waterNatural background0.53 mg/LApr 20251,113 served Montgomery Co Rwd 2C Bpurchased waterNatural background0.53 mg/LApr 2025428 served City of MorganvilleHuman impact likely2.90 mg/LFeb 2025183 served City of MorlandHuman impact likely1.70 mg/LMay 2025115 served City of MorrowvilleHealth-study range8.90 mg/LNov 2025115 served City of MoscowHuman impact likely2.10 mg/LApr 2025274 served City of Mound CityHuman impact likely1.60 mg/LMay 2025678 served City of MoundridgeHealth-study range7.60 mg/LMay 20251,958 served City of Mount HopeHealth-study range7.60 mg/LJul 2025783 served City of MullinvilleHealth-study range7.70 mg/LMar 2025188 served City of MulvaneHuman impact likely1.50 mg/LAug 20256,587 served City of MundenHealth-study range9.10 mg/LApr 202599 served City of MuscotahNatural background0.74 mg/LMay 2025158 served

N

City of NarkaHealth-study range9.10 mg/LApr 202580 served City of NatomaHuman impact likely1.10 mg/LMay 2025300 served Neighbors of Walnut Grove, LlcHuman impact likely2.80 mg/LJun 2025256 served Nemaha Co Rwd 1Health-study range5.00 mg/LJan 2025350 served Neosho Co Rwd 3purchased waterHuman impact likely1.10 mg/LMay 2025128 served Neosho Co Rwd 4Human impact likely1.10 mg/LMay 20252,095 served City of Ness CityHealth-study range5.60 mg/LJul 20251,303 served City of NetawakaHuman impact clear3.50 mg/LMay 2025141 served City of NewtonHuman impact clear3.20 mg/LMay 202518,433 served City of NickersonHealth-study range9.30 mg/LMay 20251,050 served Nicodemus TownshipHuman impact clear4.70 mg/LJan 202524 served City of NorcaturHuman impact clear3.90 mg/LMay 2025159 served City of North NewtonHealth-study range6.00 mg/LJan 20251,829 served City of NortonHuman impact likely2.10 mg/LMay 20252,758 served Norton Co Rwd 1Human impact likely1.80 mg/LMay 202550 served City of Nortonvillepurchased waterHuman impact likely1.50 mg/LJan 2025599 served City of NorwichHealth-study range9.10 mg/LApr 2025433 served

O

City of OakleyAbove the federal limit12.00 mg/LJul 20252,026 served City of OberlinHuman impact clear4.40 mg/LMay 20251,639 served City of OfferleHealth-study range7.20 mg/LMay 2025172 served City of OgdenNatural background0.72 mg/LMay 20251,721 served City of OlmitzHuman impact likely2.90 mg/LMay 202591 served City of OlsburgHealth-study range5.20 mg/LMay 2025221 served Osage Co Rwd 5Health-study range7.70 mg/LDec 20253,763 served City of OsborneHuman impact clear4.30 mg/LMay 20251,324 served Osborne Co Rwd 1AHuman impact likely2.90 mg/LJan 202581 served City of OskaloosaHealth-study range6.30 mg/LMay 20251,086 served City of OswegoNatural background0.76 mg/LMay 20251,680 served City of OtisHealth-study range5.30 mg/LApr 2025297 served City of OttawaNatural background0.25 mg/LMay 202412,604 served Ottawa Co Rwd 1Human impact likely1.90 mg/LJan 2025198 served Ottawa Co Rwd 2Human impact likely1.70 mg/LJun 20251,794 served

P

City of PalcoAbove the federal limit10.00 mg/LApr 2025210 served City of PalmerHealth-study range7.00 mg/LApr 2025125 served City of PaolaNatural background0.97 mg/LMay 20255,786 served City of ParkHealth-study range5.80 mg/LMay 2025117 served City of Park CityNatural background0.61 mg/LJul 20258,503 served City of ParkerHuman impact likely1.60 mg/LMay 2025236 served City of ParsonsHuman impact likely1.10 mg/LMay 20259,479 served City of PaxicoHuman impact likely1.90 mg/LJul 2025212 served City of PerryHuman impact likely1.50 mg/LMay 2025858 served Phillips Co Rwd 1Human impact clear4.10 mg/LAug 2025432 served City of PhillipsburgHuman impact likely2.30 mg/LJan 20252,254 served City of PlainsHealth-study range5.00 mg/LJan 20251,023 served City of PlainvilleNatural background0.76 mg/LMay 20251,762 served City of PortisHealth-study range7.40 mg/LMar 202586 served Pottawatomie Co Rwd 2Human impact clear3.60 mg/LJan 2025865 served Pottawatomie Co Rwd 3Human impact likely1.00 mg/LJul 20251,455 served Pottawatomie Co Rwd 4Human impact likely1.10 mg/LJan 20251,125 served City of Powhattanpurchased waterHealth-study range7.50 mg/LOct 202568 served Prairie Schooner Mobile Home CourtHealth-study range6.70 mg/LJan 202550 served City of Prairie ViewHealth-study range8.70 mg/LJan 2025102 served City of PrattAbove the federal limit13.00 mg/LNov 20256,573 served City of Prescottpurchased waterHuman impact likely1.60 mg/LMay 2025207 served City of PrestonHealth-study range5.80 mg/LOct 2025120 served City of Pretty PrairieHealth-study range7.88 mg/LNov 2025655 served City of Princetonpurchased waterNatural background0.25 mg/LMay 2024252 served City of ProtectionHuman impact likely2.20 mg/LJun 2025503 served Public Wholesale Wsd 13Human impact likely1.60 mg/LMay 20251 served Public Wholesale Wsd 17Human impact clear3.20 mg/LMay 20251 served Public Wholesale Wsd 19Human impact clear3.00 mg/LJan 20251 served Public Wholesale Wsd 25Health-study range7.70 mg/LDec 20251 served Public Wholesale Wsd 27Health-study range7.50 mg/LOct 20251 served

Q

City of QuinterHealth-study range5.80 mg/LJun 2025958 served

R

City of Randallpurchased waterNatural background0.60 mg/LJan 202580 served City of RansomHuman impact clear4.70 mg/LJun 2025253 served City of RantoulHuman impact likely2.60 mg/LJun 2025168 served City of RaymondHealth-study range5.00 mg/LJul 202585 served Red Bud Lake Improvement DistrictNatural background0.89 mg/LApr 202556 served Reno Co Rwd 1Above the federal limit20.00 mg/LOct 2025150 served Reno Co Rwd 101Above the federal limit12.00 mg/LDec 2025200 served Reno Co Rwd 3Health-study range7.10 mg/LJul 2025450 served Reno Co Rwd 4Human impact likely2.70 mg/LApr 2025635 served Reno Co Water District 8Human impact likely2.30 mg/LJun 2025260 served Republic Co Rwd 1Human impact clear3.00 mg/LOct 2025548 served Republic Co Rwd 2Health-study range9.10 mg/LApr 20251,293 served City of ReserveHealth-study range7.30 mg/LApr 202570 served City of RexfordHuman impact clear4.20 mg/LJun 2025198 served Rice Co Rwd 1Health-study range8.20 mg/LApr 2025900 served City of RileyHealth-study range7.20 mg/LJun 2025977 served Riverchase Mobile Home ParkHuman impact likely2.50 mg/LMay 2025460 served City of RobinsonHealth-study range7.50 mg/LOct 2025181 served City of RollaHealth-study range5.40 mg/LJun 2025380 served Rolling Hills Landowners AssnHuman impact clear3.80 mg/LApr 2025130 served Rooks Co Rwd 1Health-study range6.70 mg/LJul 202555 served Rooks Co Rwd 2Human impact likely1.70 mg/LFeb 202540 served Rooks Co Rwd 3Above the federal limit16.00 mg/LFeb 2025380 served City of Rose HillNatural background0.82 mg/LJul 20254,269 served City of RossvilleNatural background0.80 mg/LJun 20251,099 served Russell Co Rwd 1Human impact clear3.70 mg/LFeb 202544 served Russell Co Rwd 2Human impact likely1.00 mg/LJun 202530 served Russell Co Rwd 3Health-study range5.30 mg/LApr 20251,300 served Russell Co Rwd 4Natural background0.63 mg/LFeb 202490 served

S

City of SalinaNatural background0.74 mg/L202546,481 served Saline Co Rwd 1Human impact likely1.50 mg/LApr 202580 served Saline Co Rwd 2Human impact likely1.40 mg/LJun 2025465 served Saline Co Rwd 3Natural background0.74 mg/LJun 2025936 served Saline Co Rwd 4Health-study range7.00 mg/LJul 2025768 served City of SatantaAbove the federal limit11.00 mg/LOct 20251,045 served City of SawyerHealth-study range8.90 mg/LNov 202591 served City of ScandiaHealth-study range5.40 mg/LJun 2025337 served City of Scott CityHealth-study range8.80 mg/LNov 20253,748 served City of Scrantonpurchased waterHealth-study range7.70 mg/LDec 2025651 served City of Sedgwickpurchased waterHuman impact clear3.20 mg/LMay 20251,598 served Sedgwick Co Rwd 1Natural background0.82 mg/LJul 20251,275 served Sedgwick Co Rwd 2purchased waterNatural background0.82 mg/LJul 20251,460 served Sedgwick Co Rwd 3Natural background0.82 mg/LJul 20256,045 served Sedgwick Co Rwd 4Natural background0.71 mg/LOct 20252,580 served City of SeldenHuman impact likely2.20 mg/LJun 2025189 served City of SenecaHuman impact clear4.10 mg/LJun 20252,130 served City of SharonHuman impact clear4.20 mg/LJun 2025147 served City of Sharon SpringsHuman impact clear3.80 mg/LJun 2025744 served Shawnee Co Rwd 1Cpurchased waterHuman impact likely1.30 mg/L20244,160 served Shawnee Co Rwd 2CNatural background0.59 mg/LNov 2025700 served Shawnee Co Rwd 3Cpurchased waterHuman impact likely1.30 mg/L20242,675 served Shawnee Co Rwd 4Cpurchased waterHuman impact likely1.30 mg/L202412,000 served City of Silver LakeHuman impact clear4.50 mg/LJun 20251,337 served Simmons Subdivision Sanitation SystemHealth-study range7.95 mg/LJun 202575 served City of SimpsonAbove the federal limit12.00 mg/LJul 202581 served City of Smith CenterHuman impact clear3.40 mg/LJun 20251,572 served Smith Co Rwd 1Health-study range8.10 mg/LApr 2025380 served City of SoldierHuman impact clear3.50 mg/LMay 2025102 served City of SolomonHealth-study range5.20 mg/LNov 2025993 served City of South HavenHealth-study range5.80 mg/LNov 2025325 served City of South HutchinsonHealth-study range7.00 mg/LApr 20252,498 served City of SpearvilleNatural background0.60 mg/LApr 2025796 served City of SpeedHuman impact clear4.10 mg/LAug 202536 served City of Spiveypurchased waterHealth-study range7.00 mg/LFeb 202559 served City of St FrancisHuman impact clear3.00 mg/LJun 20251,292 served City of St GeorgeAbove the federal limit16.00 mg/LOct 2025998 served City of St JohnAbove the federal limit10.00 mg/LOct 20251,176 served City of St MarysHuman impact clear3.10 mg/LJun 20252,781 served City of StaffordHealth-study range7.00 mg/LApr 2025936 served City of SterlingHuman impact clear3.40 mg/LJun 20252,318 served City of StocktonHuman impact likely1.30 mg/LOct 20251,380 served City of SubletteHealth-study range9.00 mg/LJul 20251,376 served Suburban Water CompanyNatural background0.66 mg/LMay 20254,700 served City of SummerfieldHealth-study range7.40 mg/LJun 2025126 served Sumner Co Rwd 1Human impact clear4.90 mg/LJul 2025280 served Sumner Co Rwd 2Human impact clear4.90 mg/LJul 2025490 served Sumner Co Rwd 3Human impact clear4.90 mg/LJul 202580 served Sumner Co Rwd 5Health-study range7.70 mg/LMar 20251,429 served Sundowner, IncHuman impact likely1.20 mg/LJun 2024220 served Sunset Valley Mhp Hays Ks, LlcHealth-study range7.60 mg/LDec 202560 served City of Susankpurchased waterHealth-study range5.30 mg/LApr 202528 served City of Sylvan GroveHuman impact clear4.00 mg/LJun 2025285 served City of SylviaAbove the federal limit14.00 mg/LFeb 2025210 served City of SyracuseHealth-study range5.30 mg/LApr 20251,807 served

T

City of TescottHealth-study range7.20 mg/LJul 2024271 served Timber Creek East Water DistrictHuman impact clear4.90 mg/LJan 2025850 served City of TimkenHuman impact likely1.10 mg/LDec 202539 served City of TonganoxieNatural background0.52 mg/LJun 20255,702 served City of TopekaHuman impact likely1.30 mg/L2024125,963 served Towns Riverview SubdivisionHuman impact likely2.20 mg/LSep 2025950 served Trego Co Rwd 1Health-study range6.90 mg/LJun 202570 served Trego Co Rwd 2Health-study range5.80 mg/LApr 20251,500 served City of TribuneHealth-study range7.90 mg/LJul 2025784 served City of TuronAbove the federal limit12.00 mg/LOct 2025304 served Tuttle Cc Mobile Home Park, LlcHuman impact likely1.10 mg/LApr 202550 served

U

City of UdallHealth-study range6.09 mg/LJun 2025658 served City of UlyssesHuman impact clear4.50 mg/LApr 20256,410 served City of Uniontownpurchased waterHuman impact likely1.60 mg/LMay 2025296 served University of KansasNatural background0.78 mg/L202535,000 served City of UticaHealth-study range5.40 mg/LJul 2025101 served

V

City of Valley CenterNatural background0.82 mg/LJul 20257,419 served City of Valley FallsNatural background0.57 mg/LJul 20251,086 served City of VictoriaHuman impact clear4.00 mg/LJul 20251,149 served City of ViolaHealth-study range7.70 mg/LMar 2025115 served

W

Wabaunsee Co Rwd 2Human impact likely1.90 mg/LJul 20251,400 served City of WakeeneyHuman impact clear4.90 mg/LJul 20251,790 served City of WakefieldHuman impact clear4.50 mg/LJul 2025846 served City of WallaceHealth-study range8.00 mg/LJul 202545 served Wallace Co Rwd 1Health-study range7.10 mg/LJul 2025245 served Walnut Grove Mhc BrooksHuman impact likely2.30 mg/LJun 2025203 served City of WaltonHuman impact clear3.90 mg/LJul 2025217 served City of WamegoHuman impact likely2.80 mg/LJul 20254,860 served City of WashingtonHealth-study range6.80 mg/LJul 20251,065 served Washington Co Rwd 1Health-study range8.90 mg/LNov 20251,093 served Washington Co Rwd 2Health-study range8.10 mg/LApr 2025673 served Water District 1 of Johnson CoNatural background0.90 mg/LAug 2025490,000 served City of WatervilleHealth-study range7.03 mg/LOct 2025656 served City of Wathenapurchased waterNatural background0.49 mg/LMar 20261,242 served City of WellingtonHuman impact clear4.90 mg/LJul 20257,664 served City of Wellsvillepurchased waterNatural background0.78 mg/LFeb 20251,933 served City of WestmorelandHuman impact likely1.10 mg/LJan 2025716 served Wheatland Electric Cooperative IncHuman impact clear3.60 mg/LFeb 20251 served City of White CityHealth-study range7.50 mg/LJul 2025581 served City of White CloudHealth-study range8.20 mg/LJul 2025115 served Whitehurst Trailer ParkHealth-study range6.20 mg/LDec 2023176 served City of WhitingHuman impact clear4.20 mg/LApr 2025196 served City of WichitaNatural background0.82 mg/LJul 2025395,699 served City of WillisHealth-study range8.10 mg/LApr 202538 served City of WilseyHuman impact clear4.60 mg/LJul 2025139 served City of WilsonHuman impact likely2.40 mg/LJul 2025836 served City of WinchesterHealth-study range9.10 mg/LJul 2025450 served City of WindomHuman impact likely1.40 mg/LMay 202593 served City of WinonaHuman impact clear3.40 mg/LJul 2025184 served City of WoodstonHealth-study range6.00 mg/LApr 202595 served

Z

City of ZendaHealth-study range5.80 mg/LJul 202569 served

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NitrateSmart

Nitrate in community water systems, from the utilities’ own compliance reporting.

Results reaching back to July 2023 · current through August 9, 2026.

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