SEMINOLE IMPROVEMENT DISTRICT
FL · PWS ID FL4504903 · Community water system
99
contaminants tested
14
detected
4,993
people served
PFAS detected
“Forever chemicals” from UCMR-5 — the only fresh nationwide measurements (2023–2025).
| Contaminant | Max | Detection rate | Period |
|---|---|---|---|
| PFHxA | 0.0054 ug/L | 2/2 | 2023 |
| PFOS | 0.0110 ug/L | 2/2 | 2023 |
| PFPeA | 0.0066 ug/L | 2/2 | 2023 |
| PFBA | 0.0055 ug/L | 1/2 | 2023 |
| PFBS | 0.0048 ug/L | 1/2 | 2023 |
| PFHpA | 0.0034 ug/L | 1/2 | 2023 |
| PFHxS | 0.0037 ug/L | 1/2 | 2023 |
| PFOA | 0.0045 ug/L | 1/2 | 2023 |
Other contaminants detected
| Contaminant | Max | Detection rate | Source | Period |
|---|---|---|---|---|
| TTHM | 161 UG/L | 28/28 | SYR4 | 2012–2019 |
| Total Haloacetic Acids (HAA5) | 51.1 UG/L | 25/28 | SYR4 | 2012–2019 |
| LEAD SUMMARY | 0.0220 mg/L | 24/24 | LCR | 2025 |
| Fluoride | 89.7 UG/L | 2/2 | SYR4 | 2013 |
| Nitrate | 40 UG/L | 2/8 | SYR4 | 2012–2015 |
| Nitrite | 10 UG/L | 1/4 | SYR4 | 2012–2015 |
85 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, TotalArsenicAsbestosAtrazineBHC-GAMMABariumBenzeneBenzo(a)pyreneBeryllium, TotalCHLOROBENZENECOPPER, FREECYANIDECadmiumCarbofuranCarbon tetrachlorideChlordaneChromiumDICHLOROMETHANEDalaponDi(2-ethylhexyl) adipateDi(2-ethylhexyl) phthalateDinosebDiquatETHYLENE DIBROMIDEEndothallEndrinEthylbenzeneGlyphosateHEXACHLOROBENZENEHFPO-DAHeptachlorHeptachlor epoxideHexachlorocyclopentadieneLASSOLeadMercuryMethoxychlorNEtFOSAANFDHANMeFOSAAOXAMYLPFDAPFDoAPFEESAPFHpSPFMBAPFMPAPFNAPFPeSPFTAPFTrDAPFUnAPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl chlorideXylenes, Totalcis-1,2-Dichloroethylenelithiumo-Dichlorobenzenep-Dichlorobenzenetrans-1,2-Dichloroethylene
Areas served
WESTLAKE