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Service Area · NASSAU COUNTY

Sanitary Sewer & Stormwater Infrastructure Services in Nassau 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 Nassau County

FDEP Sanitary Sewer Overflows

Nassau County has 1 sanitary sewer overflow incident reported to FDEP in the past 12 months. Spill volume was not reported in the source records for these incidents, so a total-gallons figure is not shown.

Incidents
1
Reported Volume
Not reported
Most Recent
Aug 12, 2025

Infrastructure Age Context

Nassau's housing stock is 20.3% 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
2%
1940–1959
5%
1960–1979
14%
1980–1999
34%
2000+
46%

Source: US Census ACS housing-age estimates, 43,565 units in Nassau County.

Clean Water Act Enforcement

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

Rainfall Context, NOAA

Nassau County recorded 37.8 inches of total precipitation across the past 12 months (NOAA station coverage 92%). Rainfall pulses are the primary driver of inflow and infiltration in older collection systems.

Local Map

Nassau County, Past 12 Months

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

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SES in Nassau

Statewide Capability, Local Crews When Mobilized

Southeast Services supports Nassau 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.

Neighboring Counties

Other Counties in Northeast Florida

Explore neighboring Florida counties we serve for sewer, stormwater, and compliance work.

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