EAST VALLEY WATER DISTRICT
CA · PWS ID CA3610064 · Community water system
111
contaminants tested
26
detected
108,629
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBS | 0.0089 ug/L | 4/28 | 2025 |
| PFOS | 0.0120 ug/L | 3/28 | 2025 |
| PFHxA | 0.0047 ug/L | 2/28 | 2025 |
| PFHxS | 0.0040 ug/L | 2/28 | 2025 |
| PFOA | 0.0090 ug/L | 2/28 | 2025 |
| PFPeA | 0.0047 ug/L | 2/28 | 2025 |
| PFHpA | 0.0031 ug/L | 1/28 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 13786 UG/L | 3558/3596 | SYR4 | 2012–2019 |
| Fluoride | 3200 UG/L | 1221/1224 | SYR4 | 2012–2019 |
| TTHM | 132.3 UG/L | 409/421 | SYR4 | 2012–2019 |
| Bromodichloromethane | 42.5 UG/L | 398/421 | SYR4 | 2012–2019 |
| Chloroform | 83.3 UG/L | 373/421 | SYR4 | 2012–2019 |
| Dibromochloromethane | 59.6 UG/L | 362/421 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 45.1 UG/L | 287/341 | SYR4 | 2013–2019 |
| Bromoform | 46.1 UG/L | 280/421 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 33.4 UG/L | 261/341 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 56 UG/L | 220/341 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 16 UG/L | 218/341 | SYR4 | 2013–2019 |
| Tetrachloroethylene | 3.6 UG/L | 113/623 | SYR4 | 2012–2019 |
| Combined Uranium | 47.68 UG/L | 74/110 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1.4 UG/L | 55/341 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0150 mg/L | 40/40 | LCR | 2024 |
| Nitrate-Nitrite | 630000 UG/L | 39/54 | SYR4 | 2012–2019 |
| lithium | 56.2 ug/L | 21/28 | UCMR-5 | 2025 |
| Arsenic | 6.1 UG/L | 8/72 | SYR4 | 2012–2019 |
| 1,2-DIBROMO-3-CHLOROPROPANE | 0.0120 UG/L | 1/48 | SYR4 | 2014–2019 |
85 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene