INTRACOASTAL WATER SYSTEM WEST
LA · PWS ID LA1047002 · Community water system
112
contaminants tested
30
detected
6,489
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0057 ug/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 29 UG/L | 89/89 | SYR4 | 2012–2019 |
| Chloroform | 115.65 UG/L | 89/89 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 77 UG/L | 86/86 | SYR4 | 2012–2019 |
| TTHM | 109 UG/L | 86/86 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 149.1 UG/L | 86/86 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 63 UG/L | 85/86 | SYR4 | 2012–2019 |
| Dibromochloromethane | 17 UG/L | 71/89 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 4 UG/L | 61/86 | SYR4 | 2012–2019 |
| COPPER, FREE | 17900 UG/L | 48/72 | SYR4 | 2013–2019 |
| Monochloroacetic acid | 13 UG/L | 47/86 | SYR4 | 2012–2019 |
| Bromoform | 2.6 UG/L | 24/89 | SYR4 | 2012–2019 |
| Lead | 20 UG/L | 19/72 | SYR4 | 2013–2019 |
| Fluoride | 520 UG/L | 18/18 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2000 UG/L | 18/50 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 9.5 UG/L | 15/86 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0242 mg/L | 12/12 | LCR | 2025 |
| Arsenic | 2 UG/L | 10/18 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 2 UG/L | 8/24 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4 PCI/L | 8/17 | SYR4 | 2012–2019 |
| Atrazine | 4.7 UG/L | 6/26 | SYR4 | 2012–2019 |
| Barium | 470 UG/L | 5/18 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 2.38 PCI/L | 5/11 | SYR4 | 2015–2019 |
| Dalapon | 40.58 UG/L | 4/22 | SYR4 | 2012–2019 |
| Carbon tetrachloride | 2.05 UG/L | 2/17 | SYR4 | 2012–2019 |
| Ethylbenzene | 0.6600 UG/L | 2/17 | SYR4 | 2012–2019 |
| Hexachlorocyclopentadiene | 0.8800 UG/L | 2/25 | SYR4 | 2012–2019 |
| Xylenes, Total | 7.5 UG/L | 2/17 | SYR4 | 2012–2019 |
| 2,4-D | 0.3900 UG/L | 1/22 | SYR4 | 2012–2019 |
| Diquat | 1.1 UG/L | 1/21 | SYR4 | 2012–2019 |
82 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-PF3ONSADONAAntimony, TotalAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranChlordaneChromiumCombined UraniumDICHLOROMETHANEDi(2-ethylhexyl) adipateDinosebETHYLENE DIBROMIDEEndothallEndrinGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chloridecis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene