Apr 15, 2026 · 7 min read
PFAS "Forever Chemicals" in US Drinking Water: 2026 Update
PFAS contamination affects an estimated 200 million Americans. Here's what the latest EPA enforcement means for your tap water.
Browse Water Quality by State
EPA drinking water data for all 51 US states and DC. Click any state to explore cities.
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All States
AlabamaC
361 cities
475 violations
AlaskaD
189 cities
1,917 violations
ArizonaD
177 cities
3,563 violations
ArkansasD
403 cities
2,284 violations
CaliforniaD
894 cities
3,697 violations
ColoradoF
331 cities
5,705 violations
ConnecticutC
159 cities
570 violations
DelawareB
48 cities
81 violations
FloridaD
482 cities
1,245 violations
GeorgiaD
511 cities
1,966 violations
HawaiiA
35 cities
4 violations
IdahoD
233 cities
1,953 violations
IllinoisD
1,075 cities
2,737 violations
IndianaD
450 cities
1,517 violations
IowaC
609 cities
757 violations
KansasD
554 cities
2,708 violations
KentuckyD
251 cities
1,130 violations
LouisianaF
338 cities
14,184 violations
MaineC
208 cities
705 violations
MarylandC
169 cities
278 violations
MassachusettsB
350 cities
120 violations
MichiganD
636 cities
1,516 violations
MinnesotaD
736 cities
1,278 violations
MississippiD
363 cities
1,337 violations
MissouriD
696 cities
1,748 violations
MontanaD
236 cities
1,366 violations
NebraskaD
452 cities
1,256 violations
NevadaC
68 cities
795 violations
New HampshireD
206 cities
1,332 violations
New JerseyD
320 cities
1,173 violations
New MexicoF
245 cities
5,353 violations
New YorkD
883 cities
1,387 violations
North CarolinaD
480 cities
2,322 violations
North DakotaB
230 cities
116 violations
OhioD
624 cities
1,749 violations
OklahomaF
503 cities
20,497 violations
OregonD
300 cities
1,723 violations
PennsylvaniaD
823 cities
4,222 violations
Rhode IslandB
47 cities
200 violations
South CarolinaC
214 cities
841 violations
South DakotaC
223 cities
203 violations
TennesseeC
288 cities
624 violations
TexasF
1,277 cities
27,615 violations
UtahC
258 cities
665 violations
VermontC
199 cities
400 violations
VirginiaD
322 cities
1,719 violations
WashingtonC
359 cities
636 violations
Washington DCA
1 cities
15 violations
West VirginiaD
211 cities
2,285 violations
WisconsinD
593 cities
1,810 violations
WyomingC
121 cities
354 violations
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