SHELBY COUNTY COMMISSION-WATER SERVICES
AL · PWS ID AL0001671 · Community water system
105
contaminants tested
23
detected
40,101
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFBA | 0.0217 ug/L | 8/8 | 2024 |
| PFBS | 0.1135 ug/L | 8/8 | 2024 |
| PFHpA | 0.0099 ug/L | 8/8 | 2024 |
| PFHxA | 0.0283 ug/L | 8/8 | 2024 |
| PFOA | 0.0261 ug/L | 8/8 | 2024 |
| PFPeA | 0.0476 ug/L | 8/8 | 2024 |
| PFOS | 0.0277 ug/L | 7/8 | 2024 |
| PFHxS | 0.0034 ug/L | 3/8 | 2024 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 118 UG/L | 279/280 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 62.3 UG/L | 276/280 | SYR4 | 2012–2019 |
| Chlorite | 857 UG/L | 36/44 | SYR4 | 2013–2019 |
| LEAD SUMMARY | 0.0050 mg/L | 18/18 | LCR | 2023 |
| Nitrate | 340 UG/L | 18/18 | SYR4 | 2012–2019 |
| Fluoride | 900 UG/L | 9/9 | SYR4 | 2012–2019 |
| Nitrate-Nitrite | 398 UG/L | 9/9 | SYR4 | 2012–2019 |
| Bromodichloromethane | 8.03 UG/L | 6/6 | SYR4 | 2012–2017 |
| Chloroform | 16.4 UG/L | 6/6 | SYR4 | 2012–2017 |
| Dibromochloromethane | 2.59 UG/L | 6/6 | SYR4 | 2012–2017 |
| Barium | 35 UG/L | 3/9 | SYR4 | 2012–2019 |
| COPPER, FREE | 11 UG/L | 3/9 | SYR4 | 2012–2019 |
| Nitrite | 199 UG/L | 2/9 | SYR4 | 2012–2019 |
| Chromium | 7.2 UG/L | 1/9 | SYR4 | 2012–2019 |
| Di(2-ethylhexyl) phthalate | 0.5300 UG/L | 1/7 | SYR4 | 2012–2018 |
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-PF3OUdS2,4,5-TP2,4-D4:2 FTS6:2 FTS8:2 FTS9Cl-PF3ONSADONAAntimony, TotalArsenicAtrazineBHC-GAMMABenzeneBenzo(a)pyreneBeryllium, TotalBromoformCHLOROBENZENECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateGross Alpha, Excl. Radon and UHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
COLUMBIANA