TRI-COUNTY RWD #2
OK · PWS ID OK2006362 · Community water system
97
contaminants tested
19
detected
5,172
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxS | 0.0220 ug/L | 4/6 | 2025 |
| PFOS | 0.0060 ug/L | 3/6 | 2025 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| COPPER, FREE | 2570 UG/L | 66/81 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 9230 UG/L | 27/35 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0190 mg/L | 19/19 | LCR | 2025 |
| Nitrate | 9050 UG/L | 12/12 | SYR4 | 2012–2018 |
| Barium | 149 UG/L | 8/8 | SYR4 | 2012–2019 |
| Chromium | 5.5 UG/L | 3/8 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 1.27 PCI/L | 2/5 | SYR4 | 2013–2019 |
| Gross Beta Particle Activity | 4.38 PCI/L | 2/5 | SYR4 | 2013–2019 |
| Lead | 10.6 UG/L | 2/81 | SYR4 | 2012–2019 |
| Pentachlorophenol | 0.2900 UG/L | 2/18 | SYR4 | 2018–2019 |
| Bromoform | 1.1 UG/L | 1/7 | SYR4 | 2014–2019 |
| Dibromoacetic acid | 1 UG/L | 1/7 | SYR4 | 2014–2019 |
| Dibromochloromethane | 1.4 UG/L | 1/7 | SYR4 | 2014–2019 |
| Gross Alpha, Excl. Radon and U | 2.82 PCI/L | 1/5 | SYR4 | 2013–2019 |
| TTHM | 1.1 UG/L | 1/7 | SYR4 | 2014–2019 |
| Total Haloacetic Acids (HAA5) | 1 UG/L | 1/7 | SYR4 | 2014–2019 |
| lithium | 17 ug/L | 1/6 | UCMR-5 | 2025 |
78 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicBHC-GAMMABenzeneBeryllium, TotalBromodichloromethaneCHLOROBENZENECYANIDECadmiumCarbon tetrachlorideChloroformCombined UraniumDICHLOROMETHANEDalaponDichloroacetic AcidDinosebEndrinEthylbenzeneFluorideGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneMercuryMethoxychlorMonobromoacetic acidMonochloroacetic acidNEtFOSAANFDHANMeFOSAANitritePFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPicloramSeleniumStyreneTetrachloroethyleneThallium, TotalTolueneTrichloroacetic AcidTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene