County · Florida
Seminole County, Florida: drinking water records
This overview covers 14 ZIP codes and 38 community water systems in Seminole County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.
System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.
Water systems with the most complete records
| Water system | People served | PFAS survey results | PFAS found | Health-based violations | Lead, 9 in 10 homes at or below |
|---|---|---|---|---|---|
| Sanford, City of (2 Wps) FL3590205 | 79,715 | 120 | 5 | 2 | 0.8 ppb |
| Winter Springs, City of (3 Wps) FL3590879 | 34,657 | 180 | 4 | 5 | 0.6 ppb |
| Seminole County Northwest FL3594107 | 31,986 | 60 | 0 | 3 | 0 ppb |
| Chase Groves(Consec.) FL3594214 | 4,052 | 60 | 4 | 1 | 0 ppb |
| Chuluota Water System FL3590186 | 3,863 | 60 | 0 | 1 | 3 ppb |
| Seminole County Southeast FL3590571 | 70,040 | 120 | 0 | 0 | 1.2 ppb |
| Casselberry, City of (3 Wps) FL3590159 | 54,747 | 180 | 1 | 0 | 0 ppb |
| Altamonte Springs Water Dept (2 Wps) FL3590026 | 51,000 | 120 | 1 | 0 | 0 ppb |
| Oviedo, City of FL3590970 | 47,933 | 60 | 0 | 0 | 2.1 ppb |
| Sanlando (3 Wtps) FL3591121 | 36,953 | 180 | 0 | 0 | 1.5 ppb |
| Longwood, City of (2 Wps) FL3590202 | 23,237 | 120 | 0 | 0 | 1.6 ppb |
| Seminole County Northeast FL3590473 | 19,925 | 60 | 0 | 0 | 0 ppb |
| Lake Mary, City of FL3590201 | 17,066 | 60 | 4 | 0 | 2.1 ppb |
| Seminole County Southwest FL3590785 | 9,622 | 60 | 0 | 0 | 0 ppb |
| Weathersfield FL3591451 | 4,221 | 60 | 0 | 0 | 1 ppb |
| Palm Valley Mobile Home Park FL3590988 | 1,476 | 0 | 0 | 2 | 0 ppb |
| Mullett Lake Water Association FL3590865 | 976 | 0 | 0 | 4 | 4.7 ppb |
| Seminole Woods FL3594050 | 780 | 0 | 0 | 1 | 0.9 ppb |
| Lake Harney Water Association FL3590698 | 700 | 0 | 0 | 11 | 0.4 ppb |
| Dovera (Consec.) FL3594240 | 96 | 0 | 0 | 1 | 1.4 ppb |
| Apple Valley (Consec) FL3590039 | 3,269 | 0 | 0 | 0 | 0 ppb |
| Ravenna Park FL3591061 | 2,105 | 0 | 0 | 0 | 2.2 ppb |
| Meredith Manor (Consec.) FL3590823 | 1,748 | 0 | 0 | 0 | 0 ppb |
| Midway-Canaan Water Association (Consec) FL3594230 | 1,500 | 0 | 0 | 0 | 0 ppb |
| Sunshadow Apartments (Consec) FL3594216 | 986 | 0 | 0 | 0 | 0 ppb |
ZIP reports in Seminole County
No ZIP report in this county is published yet.
Sources and scope
EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.
Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.