Service Area · SEMINOLE COUNTY

Sanitary Sewer & Stormwater Infrastructure Services in Seminole County

Southeast Services Supports Municipalities, Utilities, and Large Property Owners Across All Florida Counties With Sanitary Sewer and Stormwater Assessment, Cleaning, Rehabilitation, and Compliance Work.

County Infrastructure Snapshot · Past 12 Months

The Infrastructure Picture in Seminole County

FDEP Sanitary Sewer Overflows

Seminole County has 6 sanitary sewer overflow incidents reported to FDEP in the past 12 months, totaling 20,000 gal of reported volume. That ranks Seminole #32 of 38 Florida counties with reported incidents in this window. The largest single incident in the window reported 20,000 gal.

Incidents: 6
Reported Volume: 20,000 gal
Most Recent: Jun 12, 2026

Infrastructure Age Context

Seminole's housing stock is 29.8% pre-1980, with an estimated median structure age of 41 years. Older housing correlates with older buried infrastructure, which drives the need for condition assessment and trenchless rehabilitation.

Pre-1940

1940 to 1959

1960 to 1979

24%

1980 to 1999

44%

2000+

27%

Source: US Census ACS housing-age estimates, 197,167 units in Seminole County.

Clean Water Act Enforcement

No active Clean Water Act enforcement actions are on record for Seminole County in the EPA ECHO dataset at this time.

Rainfall Context, NOAA

Seminole County recorded 29.5 inches of total precipitation across the past 12 months (NOAA station coverage 83%). Rainfall pulses are the primary driver of inflow and infiltration in older collection systems.

County Data Read · Trailing 12 Months

What the Data Shows in Seminole County

Seminole County shows 6 reported sanitary sewer releases and 20,000 gallons of volume in FDEP public notices for the trailing 12 months. Seminole County lands at number 32 of 38 counties for reported volume. The single largest event in the window released 20,000 gallons. Seminole County last appeared in the notice record on June 12, 2026. Seminole County reports often enough to justify a documented condition baseline. Seminole County is predominantly newer construction, with US Census ACS housing age estimates placing only 29.8% of 197,167 housing units before 1980. Median structure age across Seminole County runs about 41 years. Younger construction still warrants CCTV pipeline inspection in Seminole County, since defects there are installation related.

NOAA precipitation data shows Seminole County at 29.5 inches for the trailing 12 months at 83% station coverage, a dry window. Light rainfall suppresses reported events, so the Seminole County record reads as a floor. No active Clean Water Act enforcement is on record for Seminole County in EPA ECHO, so budget cycles set the schedule. Seminole County sits in Central Florida, and its numbers read best next to Citrus and Lake counties. Coverage in Seminole County runs statewide, with crews mobilized for sanitary sewer rehabilitation, trenchless pipe repair, and stormwater system cleaning.

Sources: FDEP public notices, NOAA precipitation data, US Census ACS housing age estimates, and EPA ECHO enforcement records.

Local Map

Seminole County, Past 12 Months

Reported Sanitary Sewer Overflows in Seminole County, Tier-Colored by Spill Volume.

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SES in Seminole

Statewide Capability, Local Crews When Mobilized

Southeast Services supports Seminole County on qualifying contracts, project mobilizations, and compliance engagements. Once engaged, our teams stay in position until the work is completed and verified to meet your unique needs.

Services Available