WATERLOO WATER WORKS
IA · PWS ID IA0790074 · Community water system
90
contaminants tested
29
detected
69,504
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0130 ug/L | 4/18 | 2024 |
| PFBS | 0.0032 ug/L | 2/18 | 2024 |
| PFPeA | 0.0048 ug/L | 2/18 | 2024 |
| PFHxA | 0.0031 ug/L | 1/18 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Nitrate | 10700 UG/L | 436/446 | SYR4 | 2012–2019 |
| COPPER, FREE | 2230 UG/L | 186/192 | SYR4 | 2012–2019 |
| Lead | 688 UG/L | 107/192 | SYR4 | 2012–2019 |
| Fluoride | 1100 UG/L | 39/40 | SYR4 | 2012–2019 |
| Bromodichloromethane | 4.64 UG/L | 31/32 | SYR4 | 2012–2019 |
| Chloroform | 10.5 UG/L | 31/32 | SYR4 | 2012–2019 |
| Dibromochloromethane | 2.82 UG/L | 31/32 | SYR4 | 2012–2019 |
| TTHM | 16.6 UG/L | 31/32 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1.71 UG/L | 19/32 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0148 mg/L | 19/19 | LCR | 2025 |
| Bromoform | 1.01 UG/L | 16/32 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 1.65 UG/L | 13/32 | SYR4 | 2012–2019 |
| Tetrachloroethylene | 2.77 UG/L | 11/29 | SYR4 | 2012–2019 |
| lithium | 20 ug/L | 10/18 | UCMR-5 | 2024 |
| Barium | 227 UG/L | 9/9 | SYR4 | 2012 |
| Selenium | 4.1 UG/L | 8/9 | SYR4 | 2012 |
| Dichloroacetic Acid | 3.39 UG/L | 6/32 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 11.6 UG/L | 5/32 | SYR4 | 2012–2019 |
| Trichloroethylene | 2.68 UG/L | 4/24 | SYR4 | 2012–2018 |
| 1,1,1-Trichloroethane | 1.11 UG/L | 3/26 | SYR4 | 2012–2018 |
| cis-1,2-Dichloroethylene | 1.03 UG/L | 3/23 | SYR4 | 2012–2018 |
| Total Haloacetic Acids (HAA5) | 6.85 UG/L | 2/32 | SYR4 | 2012–2019 |
| Antimony, Total | 0.5000 UG/L | 1/9 | SYR4 | 2012 |
| Combined Radium (-226 and -228) | 2.9 PCI/L | 1/10 | SYR4 | 2012–2018 |
| Monobromoacetic acid | 1.57 UG/L | 1/32 | SYR4 | 2012–2019 |
61 contaminants tested, none detected
1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAArsenicAtrazineBenzeneBenzo(a)pyreneCHLOROBENZENECadmiumCarbon tetrachlorideChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatEthylbenzeneGlyphosateHFPO-DALASSOMercuryNEtFOSAANFDHANMeFOSAAPFBAPFDAPFDoAPFEESAPFHpAPFHpSPFMBAPFMPAPFNAPFOAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSimazineStyreneThallium, TotalTolueneVinyl chlorideXylenes, Totalo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
WATERLOO