CITY OF OPELOUSAS WATER SYSTEM
LA · PWS ID LA1097010 · Community water system
110
contaminants tested
25
detected
20,388
people served
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 42.6 UG/L | 109/110 | SYR4 | 2012–2019 |
| Bromodichloromethane | 13.9 UG/L | 108/110 | SYR4 | 2012–2019 |
| Chloroform | 16.3 UG/L | 108/110 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 16.2 UG/L | 108/110 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 5.1 UG/L | 108/110 | SYR4 | 2012–2019 |
| Dibromochloromethane | 10.4 UG/L | 106/110 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 3.4 UG/L | 104/110 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 8 UG/L | 104/110 | SYR4 | 2012–2019 |
| Bromoform | 2.5 UG/L | 75/110 | SYR4 | 2012–2019 |
| COPPER, FREE | 400 UG/L | 37/74 | SYR4 | 2014–2018 |
| Fluoride | 510 UG/L | 19/19 | SYR4 | 2012–2018 |
| Monochloroacetic acid | 5 UG/L | 13/110 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0070 mg/L | 11/11 | LCR | 2023 |
| Arsenic | 10 UG/L | 9/25 | SYR4 | 2012–2019 |
| Barium | 230 UG/L | 5/19 | SYR4 | 2012–2018 |
| Di(2-ethylhexyl) phthalate | 0.7100 UG/L | 5/18 | SYR4 | 2012–2018 |
| Gross Beta Particle Activity | 2.79 PCI/L | 5/18 | SYR4 | 2012–2018 |
| Lead | 1 UG/L | 5/74 | SYR4 | 2014–2018 |
| Monobromoacetic acid | 0.9100 UG/L | 5/110 | SYR4 | 2012–2019 |
| p-Dichlorobenzene | 1.03 UG/L | 5/18 | SYR4 | 2012–2018 |
| Combined Radium (-226 and -228) | 1.88 PCI/L | 4/6 | SYR4 | 2017–2018 |
| Nitrate-Nitrite | 200 UG/L | 4/66 | SYR4 | 2012–2019 |
| lithium | 29.8 ug/L | 2/2 | UCMR-5 | 2025 |
| Antimony, Total | 1 UG/L | 1/19 | SYR4 | 2012–2018 |
| Combined Uranium | 1.49 UG/L | 1/14 | SYR4 | 2012–2018 |
85 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-PF3ONSADONAAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBAPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenetrans-1,2-Dichloroethylene