PlainWater
Counties → Florida

Seminole County, Florida

Water Systems
60
Population Served
510,279
Total Violations
3,348
301 health-based
PFAS Detected
6
of 15 tested

Violation Analysis

98.3%
Systems with Violations
55.8
Avg Violations per System
9.0%
Health-Based Violations

Water Source Types

GW
50 systems (83%)

PFAS Contamination

15
Systems Tested
6
PFAS Detected
40.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Seminole Florida water systems by violation status, EPA SDWIS records.

No violations on record (0) One or more violations (50)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Sanford, City of (2 Wps) 79,715 107 Detected
Seminole County Southeast 70,040 73 Clean
Casselberry, City of (3 Wps) 54,747 107 Detected
Altamonte Springs Water Dept (2 Wps) 51,000 64 Detected
Oviedo, City Of 47,933 58 Clean
Sanlando (3 Wtps) 36,953 72 Clean
Winter Springs, City of (3 Wps) 34,657 119 Detected
Seminole County Northwest 31,986 42 Clean
Longwood, City of (2 Wps) 23,237 88 Clean
Seminole County Northeast 19,925 55 Clean
Lake Mary, City Of 17,066 72 Detected
Seminole County Southwest 9,622 66 Clean
Weathersfield 4,221 38 Clean
Chase Groves(consec.) 4,052 9 Detected
Chuluota Water System 3,863 125 Clean
Apple Valley (Consec) 3,269 39 -
Ravenna Park 2,105 25 -
Meredith Manor (Consec.) 1,748 33 -
Midway-Canaan Water Association (Consec) 1,500 35 -
Palm Valley Mobile Home Park 1,476 81 -
Sunshadow Apartments (Consec) 986 8 -
Mullett Lake Water Association 976 89 -
Jansen S/D 868 30 -
Druid Hills (Consec.) 821 34 -
Oakland Shores 788 35 -
Black Hammock -Msbu(consec) 781 12 -
Seminole Woods 780 40 -
Bear Lake Manor 777 28 -
Lake Harney Water Association 700 133 -
Oviedo Marketplace (Consec.) 689 5 -
Geneva Elementary School 670 36 -
Twelve Oaks R.v.resort 500 38 -
Park Ridge 246 33 -
Little Wekiva Estates 214 24 -
Lake Brantley (Consec) 192 28 -
Double R School 160 51 -
Harmony Homes 158 35 -
Lake Mary MHP 150 146 -
Dovera (Consec.) 96 10 -
Orlando Freightliner 75 16 -
Elder Springs Mobile Home Park 62 728 -
Black Hammock Restaurant 25 17 -
True Life Church 25 50 -
Rightway Fuels 25 96 -
Circle K #9746 25 18 -
Speedy Food Mart 25 14 -
Circle K #2655 25 6 -
Forest City Center 25 33 -
Quick Serv Convenience Store 25 13 -
First Baptist Church of Geneva 25 30 -

Other Counties in Florida

Miami-Dade County
167 systems · 3,325,406 served · 3,677 violations
Broward County
55 systems · 1,905,863 served · 4,156 violations
Hillsborough County
724 systems · 1,701,663 served · 27,775 violations
Orange County
114 systems · 1,615,975 served · 5,841 violations
Palm Beach County
71 systems · 1,538,245 served · 3,569 violations
Pinellas County
13 systems · 1,147,926 served · 410 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Seminole County? ▼
Seminole County has 3,348 total drinking water violations across 60 water systems, of which 301 are health-based violations. 98.3% of systems have at least one violation.
How many people get water from Seminole County systems? ▼
Water systems in Seminole County serve approximately 510,279 people through 60 public water systems.
Has PFAS been detected in Seminole County water? ▼
Of 15 water systems tested for PFAS in Seminole County, 6 had PFAS detected (40.0% detection rate).
What types of water sources supply Seminole County? ▼
Water systems in Seminole County use GW (50 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 9.0% of Seminole County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.