PARISH UTILITIES OF ASCENSION
LA · PWS ID LA1005035 · Community water system
112
contaminants tested
34
detected
9,732
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 | 4/4 | 2024 |
| PFBS | 0.0047 ug/L | 1/4 | 2024 |
| PFOS | 0.0045 ug/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 112 UG/L | 118/119 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 109 UG/L | 118/118 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 45 UG/L | 116/118 | SYR4 | 2012–2019 |
| Bromodichloromethane | 28 UG/L | 114/122 | SYR4 | 2012–2019 |
| Chloroform | 76 UG/L | 113/122 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 64 UG/L | 113/118 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 20 UG/L | 69/118 | SYR4 | 2012–2019 |
| Dibromochloromethane | 44.67 UG/L | 67/122 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.2 UG/L | 58/118 | SYR4 | 2012–2019 |
| COPPER, FREE | 800 UG/L | 41/45 | SYR4 | 2014–2019 |
| Lead | 9 UG/L | 22/45 | SYR4 | 2014–2019 |
| Nitrate-Nitrite | 2100 UG/L | 18/18 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0030 mg/L | 11/11 | LCR | 2023 |
| Fluoride | 200 UG/L | 8/8 | SYR4 | 2012–2019 |
| Arsenic | 1 UG/L | 7/8 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 0.9800 UG/L | 6/15 | SYR4 | 2012–2019 |
| Atrazine | 0.2800 UG/L | 4/15 | SYR4 | 2012–2019 |
| Bromoform | 8 UG/L | 4/122 | SYR4 | 2012–2019 |
| Dalapon | 40.58 UG/L | 3/13 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4.65 PCI/L | 3/8 | SYR4 | 2012–2019 |
| Barium | 56 UG/L | 2/8 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 0.7360 PCI/L | 2/5 | SYR4 | 2015–2019 |
| lithium | 13.1 ug/L | 2/4 | UCMR-5 | 2023 |
| 2,4-D | 0.1000 UG/L | 1/13 | SYR4 | 2012–2019 |
| Carbon tetrachloride | 0.6000 UG/L | 1/9 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) adipate | 0.7500 UG/L | 1/15 | SYR4 | 2012–2019 |
| Hexachlorocyclopentadiene | 0.0400 UG/L | 1/16 | SYR4 | 2012–2019 |
| Monobromoacetic acid | 1.6 UG/L | 1/118 | SYR4 | 2012–2019 |
| Selenium | 0.5900 UG/L | 1/8 | SYR4 | 2012–2019 |
| Simazine | 0.8700 UG/L | 1/16 | SYR4 | 2012–2019 |
| p-Dichlorobenzene | 0.5200 UG/L | 1/9 | SYR4 | 2012–2019 |
78 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 UraniumDICHLOROMETHANEDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenetrans-1,2-Dichloroethylene