ISSAQUAH WATER SYSTEM
WA · PWS ID WA5336350 · Community water system
88
contaminants tested
15
detected
43,584
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 59.5 UG/L | 129/136 | SYR4 | 2012–2019 |
| TTHM | 63.3 UG/L | 129/129 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 24 UG/L | 127/128 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 56.6 UG/L | 127/130 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 28.7 UG/L | 122/128 | SYR4 | 2012–2019 |
| Bromodichloromethane | 3.8 UG/L | 111/119 | SYR4 | 2012–2019 |
| Nitrate | 660 UG/L | 30/36 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 3.9 UG/L | 18/130 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0060 mg/L | 15/15 | LCR | 2022 |
| Dibromochloromethane | 2.6 UG/L | 9/132 | SYR4 | 2012–2019 |
| Arsenic | 9 UG/L | 4/4 | SYR4 | 2016 |
| Barium | 13 UG/L | 4/4 | SYR4 | 2016 |
| Nitrate-Nitrite | 540 UG/L | 3/4 | SYR4 | 2016 |
| Bromoform | 0.5000 UG/L | 1/135 | SYR4 | 2012–2019 |
| COPPER, FREE | 5 UG/L | 1/4 | SYR4 | 2016 |
73 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, TotalBenzeneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEDalaponDibromoacetic acidDinosebETHYLENE DIBROMIDEEthylbenzeneFluorideGross Beta Particle ActivityHFPO-DALeadMercuryMonobromoacetic acidNEtFOSAANFDHANMeFOSAANitritePFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene