RALLS COUNTY PWSD 1
MO · PWS ID MO2024499 · Community water system
92
contaminants tested
20
detected
7,662
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0701 ug/L | 1/1 | 2025 |
| PFBS | 0.0114 ug/L | 1/1 | 2025 |
| PFOA | 0.0043 ug/L | 1/1 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 151 UG/L | 61/61 | SYR4 | 2012–2019 |
| Bromodichloromethane | 42.5 UG/L | 51/51 | SYR4 | 2013–2019 |
| Chloroform | 158 UG/L | 51/51 | SYR4 | 2013–2019 |
| TTHM | 193 UG/L | 50/50 | SYR4 | 2013–2019 |
| Dibromochloromethane | 48.1 UG/L | 49/51 | SYR4 | 2013–2019 |
| Dichloroacetic Acid | 59.2 UG/L | 49/50 | SYR4 | 2013–2019 |
| Total Haloacetic Acids (HAA5) | 107 UG/L | 47/50 | SYR4 | 2013–2019 |
| Trichloroacetic Acid | 58.9 UG/L | 46/50 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 25/25 | LCR | 2024 |
| Bromoform | 19.9 UG/L | 19/51 | SYR4 | 2013–2019 |
| Dibromoacetic acid | 7.42 UG/L | 14/50 | SYR4 | 2013–2019 |
| Monobromoacetic acid | 9.19 UG/L | 14/50 | SYR4 | 2013–2019 |
| Lead | 14 UG/L | 7/61 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 130 UG/L | 2/2 | SYR4 | 2019 |
| Barium | 29.7 UG/L | 1/1 | SYR4 | 2019 |
| Fluoride | 140 UG/L | 1/1 | SYR4 | 2019 |
| lithium | 14.2 ug/L | 1/1 | UCMR-5 | 2025 |
72 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABenzeneBeryllium, TotalCHLOROBENZENECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEETHYLENE DIBROMIDEEndrinEthylbenzeneHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorMonochloroacetic acidNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOSPFPeAPFPeSPFTAPFTrDAPFUnASeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene