LAFOURCHE WATER DISTRICT 1
LA · PWS ID LA1057001 · Community water system
112
contaminants tested
32
detected
81,609
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0067 ug/L | 5/12 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 24.9 UG/L | 250/250 | SYR4 | 2012–2019 |
| Bromodichloromethane | 8.4 UG/L | 247/250 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 43.1 UG/L | 244/244 | SYR4 | 2012–2019 |
| TTHM | 31.4 UG/L | 244/244 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 81.3 UG/L | 244/244 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 48 UG/L | 244/244 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 5.2 UG/L | 197/244 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 6.3 UG/L | 140/244 | SYR4 | 2012–2019 |
| Dibromochloromethane | 3 UG/L | 121/250 | SYR4 | 2012–2019 |
| COPPER, FREE | 400 UG/L | 60/100 | SYR4 | 2013–2019 |
| Monobromoacetic acid | 32 UG/L | 57/244 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2200 UG/L | 30/32 | SYR4 | 2012–2019 |
| Fluoride | 900 UG/L | 16/16 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0080 mg/L | 14/14 | LCR | 2025 |
| Atrazine | 5.5 UG/L | 13/37 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 1.2 UG/L | 13/36 | SYR4 | 2012–2019 |
| Lead | 6 UG/L | 12/100 | SYR4 | 2013–2019 |
| Barium | 64 UG/L | 10/16 | SYR4 | 2012–2019 |
| Arsenic | 1 UG/L | 7/16 | SYR4 | 2012–2019 |
| Simazine | 1.11 UG/L | 6/31 | SYR4 | 2012–2019 |
| 2,4-D | 2.1 UG/L | 5/28 | SYR4 | 2012–2019 |
| Dalapon | 34.24 UG/L | 5/28 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4.08 PCI/L | 5/16 | SYR4 | 2012–2019 |
| Selenium | 10 UG/L | 5/16 | SYR4 | 2012–2019 |
| Bromoform | 0.7800 UG/L | 4/250 | SYR4 | 2012–2019 |
| Antimony, Total | 4 UG/L | 2/21 | SYR4 | 2012–2019 |
| Combined Uranium | 0.6400 UG/L | 2/14 | SYR4 | 2012–2019 |
| lithium | 12.5 ug/L | 2/12 | UCMR-5 | 2024 |
| Carbon tetrachloride | 0.7800 UG/L | 1/15 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 0.6440 PCI/L | 1/10 | SYR4 | 2015–2019 |
| Toluene | 0.5300 UG/L | 1/15 | SYR4 | 2012–2019 |
80 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane11Cl-PF3OUdS2,3,7,8-TCDD2,4,5-TP4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranChlordaneChromiumDICHLOROMETHANEDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramStyreneTetrachloroethyleneThallium, TotalTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene