ST PETERS PWS
MO · PWS ID MO6010719 · Community water system
98
contaminants tested
24
detected
52,575
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0106 ug/L | 2/6 | 2024 |
| PFHxA | 0.0059 ug/L | 2/6 | 2024 |
| PFOA | 0.0049 ug/L | 2/6 | 2024 |
| PFPeA | 0.0059 ug/L | 2/6 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 27.9 UG/L | 164/173 | SYR4 | 2012–2019 |
| Bromodichloromethane | 3.3 UG/L | 155/173 | SYR4 | 2012–2019 |
| TTHM | 30.8 UG/L | 150/171 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 32 UG/L | 149/172 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 6.54 UG/L | 107/172 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 35.9 UG/L | 100/172 | SYR4 | 2012–2019 |
| COPPER, FREE | 49.4 UG/L | 92/92 | SYR4 | 2012–2018 |
| Dibromochloromethane | 2.52 UG/L | 45/173 | SYR4 | 2012–2019 |
| Bromoform | 2.22 UG/L | 27/173 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.99 UG/L | 26/172 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0034 mg/L | 25/25 | LCR | 2024 |
| Lead | 5.46 UG/L | 16/92 | SYR4 | 2012–2018 |
| Nitrate-Nitrite | 63 UG/L | 16/16 | SYR4 | 2012–2019 |
| Chromium | 2.92 UG/L | 13/13 | SYR4 | 2013–2017 |
| lithium | 53.1 ug/L | 6/6 | UCMR-5 | 2024 |
| Monochloroacetic acid | 7.55 UG/L | 5/172 | SYR4 | 2012–2019 |
| Barium | 29.6 UG/L | 2/2 | SYR4 | 2014–2017 |
| Fluoride | 610 UG/L | 2/2 | SYR4 | 2014–2017 |
| Monobromoacetic acid | 4.19 UG/L | 1/172 | SYR4 | 2012–2019 |
| Trichloroethylene | 0.5900 UG/L | 1/2 | SYR4 | 2014–2017 |
74 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-GAMMABenzeneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDinosebETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxSPFMBAPFMPAPFNAPFOSPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
ST. PETERS