Skip to content

Water Quality Reports Search Blog

About | Privacy | Terms | Disclaimer | Methodology | Contact

Related Resources

© 2026 WellWaterPeek. All rights reserved.

Data sourced from EPA SDWIS & USGS.

Home
/Contaminants
/pH Level

pH Level in Well Water by State

Acidity/alkalinity measure. Ideal range 6.5-8.5 for drinking water.

Category

physical

EPA Limit (MCL)

8.5 pH

States Tracked

51

Live DataLast updated: April 4, 2026·Source: EPA SDWIS & USGS

Top 10 Highest Risk States

Highest % of wells exceeding EPA limits for pH Level

#1 Alabama20.4%#2 Maine19.3%#3 Wisconsin18.1%#4 Nevada17.3%#5 Texas15.6%#6 Rhode Island15.2%#7 North Carolina14.3%#8 New York13.6%#9 Utah13.5%#10 Oregon12.8%

Top 10 Cleanest States

Lowest % of wells exceeding EPA limits for pH Level

#1 New Mexico0.7%#2 Pennsylvania0.9%#3 Iowa1.0%#4 Michigan1.3%#5 Missouri2.4%#6 North Dakota2.8%#7 Vermont3.3%#8 Connecticut3.4%#9 Kentucky3.5%#10 South Carolina3.5%

pH Level in Every State

AlabamaAL · Score: 68/100 AlaskaAK · Score: 55/100 ArizonaAZ · Score: 72/100 ArkansasAR · Score: 62/100 CaliforniaCA · Score: 75/100 ColoradoCO · Score: 70/100 ConnecticutCT · Score: 78/100 DelawareDE · Score: 72/100 District of ColumbiaDC · Score: 85/100 FloridaFL · Score: 65/100 GeorgiaGA · Score: 67/100 HawaiiHI · Score: 80/100 IdahoID · Score: 73/100 IllinoisIL · Score: 71/100 IndianaIN · Score: 66/100 IowaIA · Score: 64/100 KansasKS · Score: 68/100 KentuckyKY · Score: 63/100 LouisianaLA · Score: 61/100 MaineME · Score: 72/100 MarylandMD · Score: 74/100 MassachusettsMA · Score: 79/100 MichiganMI · Score: 68/100 MinnesotaMN · Score: 71/100 MississippiMS · Score: 59/100 MissouriMO · Score: 65/100 MontanaMT · Score: 76/100 NebraskaNE · Score: 69/100 NevadaNV · Score: 70/100 New HampshireNH · Score: 75/100 New JerseyNJ · Score: 73/100 New MexicoNM · Score: 64/100 New YorkNY · Score: 76/100 North CarolinaNC · Score: 69/100 North DakotaND · Score: 67/100 OhioOH · Score: 70/100 OklahomaOK · Score: 63/100 OregonOR · Score: 77/100 PennsylvaniaPA · Score: 72/100 Rhode IslandRI · Score: 76/100 South CarolinaSC · Score: 66/100 South DakotaSD · Score: 68/100 TennesseeTN · Score: 64/100 TexasTX · Score: 66/100 UtahUT · Score: 74/100 VermontVT · Score: 78/100 VirginiaVA · Score: 71/100 WashingtonWA · Score: 76/100 West VirginiaWV · Score: 58/100 WisconsinWI · Score: 72/100 WyomingWY · Score: 71/100

EPA SDWIS & USGS

Explore the DataPeek Network

VocabWize Vocablibre WortWize KalimaWize DicionarioWize KotobaPeek SalaryBycity NetpayPeek WagePeek CostBycity FairrentWize PropertytaxPeek