GRETNA WATERWORKS
LA · PWS ID LA1051003 · Community water system
112
contaminants tested
30
detected
17,026
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0051 ug/L | 1/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Bromodichloromethane | 27 UG/L | 143/143 | SYR4 | 2012–2019 |
| Chloroform | 74 UG/L | 143/143 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 38 UG/L | 141/141 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 80.8 UG/L | 141/141 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 41 UG/L | 141/141 | SYR4 | 2012–2019 |
| TTHM | 96.6 UG/L | 140/140 | SYR4 | 2012–2019 |
| Dibromochloromethane | 11 UG/L | 135/143 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 10.3 UG/L | 84/141 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 2.5 UG/L | 83/141 | SYR4 | 2012–2019 |
| COPPER, FREE | 500 UG/L | 45/65 | SYR4 | 2014–2019 |
| Lead | 12 UG/L | 25/65 | SYR4 | 2014–2019 |
| Bromoform | 1.3 UG/L | 19/143 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 2300 UG/L | 16/16 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 14/14 | LCR | 2023 |
| Monobromoacetic acid | 6.1 UG/L | 14/141 | SYR4 | 2012–2019 |
| Fluoride | 670 UG/L | 8/8 | SYR4 | 2012–2019 |
| Dalapon | 38.02 UG/L | 7/13 | SYR4 | 2012–2019 |
| Hexachlorocyclopentadiene | 0.0560 UG/L | 7/15 | SYR4 | 2012–2019 |
| Barium | 60 UG/L | 5/8 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 1.05 UG/L | 5/15 | SYR4 | 2012–2019 |
| Arsenic | 1 UG/L | 4/8 | SYR4 | 2012–2019 |
| Combined Uranium | 1.49 UG/L | 4/6 | SYR4 | 2012–2017 |
| Gross Beta Particle Activity | 3.71 PCI/L | 3/8 | SYR4 | 2012–2019 |
| Atrazine | 0.2900 UG/L | 2/16 | SYR4 | 2012–2019 |
| lithium | 15.6 ug/L | 2/4 | UCMR-5 | 2023 |
| Carbon tetrachloride | 0.5000 UG/L | 1/9 | SYR4 | 2012–2019 |
| Combined Radium (-226 and -228) | 0.2580 PCI/L | 1/5 | SYR4 | 2015–2019 |
| Selenium | 0.5400 UG/L | 1/8 | SYR4 | 2012–2019 |
| Simazine | 0.7600 UG/L | 1/15 | 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-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalAsbestosBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECYANIDECadmiumCarbofuranChlordaneChromiumDICHLOROMETHANEDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethyleneo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene