Service Area · HILLSBOROUGH COUNTY

Sanitary Sewer & Stormwater Infrastructure Services in Hillsborough 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 Hillsborough County

FDEP Sanitary Sewer Overflows

Hillsborough County has 75 sanitary sewer overflow incidents reported to FDEP in the past 12 months, totaling 755,108 gal of reported volume. That ranks Hillsborough #6 of 38 Florida counties with reported incidents in this window. The largest single incident in the window reported 404,000 gal.

Incidents: 75
Reported Volume: 755,108 gal
Most Recent: Aug 26, 2026

Infrastructure Age Context

Hillsborough's housing stock is 31.4% pre-1980, with an estimated median structure age of 31 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

20%

1980 to 1999

33%

2000+

36%

Source: US Census ACS housing-age estimates, 618,220 units in Hillsborough County.

Clean Water Act Enforcement

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

Rainfall Context, NOAA

Hillsborough County recorded 28.7 inches of total precipitation across the past 12 months (NOAA station coverage 100%). 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 Hillsborough County

FDEP public notices record 75 sanitary sewer releases in Hillsborough County over the trailing 12 months, totaling 755,108 gallons of reported volume. By volume, Hillsborough County ranks 6 of 38 reporting counties. The largest single release reported in Hillsborough County reached 404,000 gallons. The latest entry for the county carries a report date of August 26, 2026. At 75 reported releases, the Hillsborough County question is which basins repeat. Hillsborough County carries a mixed vintage, 31.4% of its 618,220 housing units dating to before 1980 in US Census ACS housing age estimates. The estimated median Hillsborough County structure is 31 years old. That split makes Hillsborough County work uneven, with older cores needing sanitary sewer rehabilitation and newer tracts only pipeline cleaning.

NOAA precipitation data shows Hillsborough County at 28.7 inches for the trailing 12 months at 100% station coverage, a dry window. Light rainfall suppresses reported events, so the Hillsborough County record reads as a floor. No active Clean Water Act enforcement is on record for Hillsborough County in EPA ECHO, so budget cycles set the schedule. Conditions in Hillsborough County follow the Tampa Bay region, where Hernando and Manatee counties share the same material history. Coverage in Hillsborough 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

Hillsborough County, Past 12 Months

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

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SES in Hillsborough

Statewide Capability, Local Crews When Mobilized

Southeast Services supports Hillsborough 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