TUALATIN VALLEY WATER DISTRICT
OR · PWS ID OR4100665 · Community water system
103
contaminants tested
12
detected
224,600
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 941 UG/L | 1346/1544 | SYR4 | 2012–2019 |
| Lead | 648 UG/L | 1264/1546 | SYR4 | 2012–2019 |
| TTHM | 62.6 UG/L | 241/241 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 52.8 UG/L | 233/241 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0290 mg/L | 57/57 | LCR | 2025 |
| Nitrate | 800 UG/L | 32/38 | SYR4 | 2012–2019 |
| Fluoride | 700 UG/L | 12/14 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 800 UG/L | 11/14 | SYR4 | 2012–2019 |
| Barium | 3.81 UG/L | 10/15 | SYR4 | 2012–2019 |
| Chromium | 3.08 UG/L | 5/15 | SYR4 | 2012–2019 |
| Combined Uranium | 0.0880 UG/L | 1/5 | SYR4 | 2013–2018 |
| Gross Beta Particle Activity | 0.9980 PCI/L | 1/6 | SYR4 | 2012–2018 |
91 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneCombined Radium (-226 and -228)DICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAANitriteOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene