CITY OF MONROE WATER SYSTEM
LA · PWS ID LA1073031 · Community water system
112
contaminants tested
24
detected
57,000
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0082 ug/L | 2/4 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| Chloroform | 146 UG/L | 460/460 | SYR4 | 2012–2019 |
| Bromodichloromethane | 15 UG/L | 457/460 | SYR4 | 2012–2019 |
| TTHM | 162.64 UG/L | 456/456 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 120.4 UG/L | 456/464 | SYR4 | 2012–2019 |
| Dichloroacetic Acid | 69.4 UG/L | 448/464 | SYR4 | 2012–2019 |
| Trichloroacetic Acid | 58.9 UG/L | 319/464 | SYR4 | 2012–2019 |
| Monochloroacetic acid | 19.3 UG/L | 78/464 | SYR4 | 2012–2019 |
| Dibromoacetic acid | 1.3 UG/L | 32/464 | SYR4 | 2012–2019 |
| Lead | 20 UG/L | 32/94 | SYR4 | 2013–2019 |
| Dibromochloromethane | 6.46 UG/L | 29/460 | SYR4 | 2012–2019 |
| COPPER, FREE | 700 UG/L | 16/94 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 13/13 | LCR | 2025 |
| Monobromoacetic acid | 2.5 UG/L | 8/464 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 190 UG/L | 8/16 | SYR4 | 2012–2019 |
| Atrazine | 1.13 UG/L | 5/17 | SYR4 | 2012–2019 |
| Gross Beta Particle Activity | 4 PCI/L | 5/7 | SYR4 | 2012–2019 |
| Arsenic | 1.2 UG/L | 4/8 | SYR4 | 2012–2019 |
| Barium | 26 UG/L | 4/8 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 1 UG/L | 4/15 | SYR4 | 2012–2019 |
| Fluoride | 85 UG/L | 4/8 | SYR4 | 2012–2019 |
| Dalapon | 9.136 UG/L | 3/13 | SYR4 | 2012–2019 |
| Hexachlorocyclopentadiene | 0.0670 UG/L | 3/15 | SYR4 | 2012–2019 |
| Carbon tetrachloride | 0.9800 UG/L | 2/8 | SYR4 | 2012–2019 |
88 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, TotalBromoformCHLOROBENZENECYANIDECadmiumCarbofuranChlordaneChromiumCombined Radium (-226 and -228)Combined UraniumDICHLOROMETHANEDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideLASSOMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFBSPFDAPFDoAPFEESAPFHpAPFHpSPFHxAPFHxSPFMBAPFMPAPFNAPFOAPFOSPFPeAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene