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Stormwater Management
Responsibilities of the Stormwater Management Division:
It is the Division's responsibility to design, construct, maintain and improve the County's drainage system which includes all drainage-related infrastructure in unincorporated Pasco County. The overall Division goal is to protect the public's safety and welfare through the proper collection, conveyance and storage of stormwater runoff through new and existing drainage flow-ways. This is accomplished through a comprehensive program of engineering projects, natural resources protection, drainage infrastructure maintenance and public involvement.

The Division has four functional areas of responsibility which are Operations and Maintenance, Capital Improvement Program (CIP), Program Management and National Pollutant Discharge Elimination System (NPDES) Permit Compliance. In 2008, the Board of County Commissioners (BCC) approved acceptable Level of Service Designations for each area of responsibility.


1.    Operations and Maintenance:
The Operation and Maintenance Program provides most of the services seen by the public. These activities include regular maintenance of the drainage system, major maintenance, project management, mowing, cleaning of stormwater structures manually or with vacuum trucks, conducting litter control and street sweeping for the NPDES permit, stormwater structure repair, and culvert/pipe replacement. These services are critical for implementing the drainage system plans and maintaining the entire system.  


3.    Program Management:
Program Management consists of activities related to planning, administration, engineering, inspections, public information and watershed modeling.This program also includes conducting watershed studies with the Southwest Florida Water Management District (SWFWMD). These studies are used to develop Digital Flood Insurance Rate Maps (FIRM) and identifying Best Management Practices (BMPs) for flood prone areas. The Watershed Management Plans contain listings/maps of BMP projects. Staff conducts cost-benefit analyses to determine if projects are feasible or if other alternatives are available. An in-house team designs and permits various drainage improvements along with using General Service Agreements with consultants for design and permitting services. 
2.    Capital Improvement Program:
The Capital Improvement Program is responsible for constructing new stormwater assets for the County. Projects are generally identified in the Watershed Management Plans, are identified by staff after evaluation of problem areas or were formerly part of the maintenance program but have deteriorated to the point that they require replacement. These projects go through the process of engineering analysis, benefit-cost evaluations, and then if feasible the design, permitting, and construction of the project. Projects that are feasible become part of CIP and are contracted out when funding is available. The construction phase of these projects is managed by the Project Management Division and not the Public Works Department.

4.    NPDES Permit Compliance
The NPDES MS4 Permit authorizes Pasco County to discharge stormwater to State waters in accordance with the approved Stormwater Management Programs (SWMPs), effluent limitations, monitoring requirements, and other provisions as set forth in the permit.  To be in compliance with the permit, the County implements SWMPs that include pollution prevention measures, treatment or removal techniques, stormwater monitoring, use of legal authority, education and training, and other appropriate means to control the quality of stormwater discharged into waters of the State. Compliance with the SWMPs is reported annually to FDEP in an annual report.


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