Tap and WellTreasure Valley water, from the public record

Drinking water contaminants in the Treasure Valley

Arsenic, nitrate, PFAS, uranium, and other contaminants in Treasure Valley drinking water. Idaho DEQ detections, federal limits, and certified filters.

Idaho DEQ detections, the federal limit, and filters with a named NSF, WQA or IAPMO claim. Check my water for your system.

Contaminants in this valley

Arsenic

Federal limit 10.0ppb

70 of 86 systems detected it; 64 flagged.

Chlorine (residual)

Federal limit 4.00ppm

0 of 0 systems detected it.

Total Coliform

No federal limit

0 of 0 systems detected it.

Copper

Action level 1.30ppm

147 of 160 systems detected it; 6 flagged.

E. coli

No federal limit

0 of 0 systems detected it.

Fluoride

Federal limit 4.00ppm

51 of 54 systems detected it; 1 flagged.

Gross Alpha

Federal limit 15.0pCi/L

84 of 136 systems detected it; 4 flagged.

Haloacetic Acids (HAA5)

Federal limit 60.0ppb

28 of 51 systems detected it; 3 flagged.

Hardness (as CaCO3)

No federal limit

8 of 8 systems detected it.

HFPO-DA (GenX)

Federal limit 10.0ppt

17 of 132 systems detected it; 17 flagged.

Iron

Aesthetic standard 0.30ppm

7 of 7 systems detected it; 3 flagged.

Lead

Action level 15.0ppb

102 of 160 systems detected it; 7 flagged.

Manganese

Aesthetic standard 50.0ppb

8 of 15 systems detected it; 5 flagged.

Nitrate (as N)

Federal limit 10.00ppm

134 of 154 systems detected it; 43 flagged.

PFBS

No federal limit

3 of 14 systems detected it; 3 flagged.

PFHxS

Federal limit 10.0ppt

17 of 132 systems detected it; 17 flagged.

PFNA

Federal limit 10.0ppt

7 of 42 systems detected it; 7 flagged.

PFOA

Federal limit 4.0ppt

1 of 14 systems detected it; 1 flagged.

PFOS

Federal limit 4.0ppt

3 of 14 systems detected it; 3 flagged.

Radium 226 + 228

Federal limit 5.00pCi/L

37 of 128 systems detected it; 1 flagged.

Total Dissolved Solids

Aesthetic standard 500.00ppm

3 of 3 systems detected it.

Total Trihalomethanes

Federal limit 80.0ppb

43 of 67 systems detected it; 5 flagged.

Uranium

Federal limit 30.0ppb

111 of 142 systems detected it; 27 flagged.

Also detected in the region

AntimonyAtrazineBariumChromium (total)CyanideLithiumNitrite (as N)TetrachloroethyleneSeleniumSodiumTrichloroethylene