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NPDES Plat Conversion Program
Plat Conversion Program
Plat Conversion Program: Green areas were mapped by the Property Appraiser.
The Pasco County Property Appraiser's parcel layer has included horizontal inaccuracies that can be  over 200 feet in some areas. These inaccuracies do not appear to affect the Property Appraiser; however, the inaccuracies do impact all users of the County’s Geographic Information System (GIS) data, including the information in Pasco View.

With the introduction of Digital Flood Insurance Rate Maps (DFIRM), this situation became a significant problem. To address this issue, it was necessary to take the existing plats and accurately place them into a new GIS parcel layer. In some areas, new electronic plats are available, which make this conversion very simple. In other areas, there are old paper plats, unrecorded plats, and unplatted developments which are very difficult to convert.

Pasco View GIS Stormwater Easement
Pasco View GIS Stormwater Easement Example
A requirement of Pasco County’s National Pollutant Discharge Elimination System (NPDES) Permit is to report on our drainage assets and their maintenance.  The completed Plat Conversion Program will facilitate the accurate capture and identification of all of the County's stormwater and other easements, as depicted in the  Pasco View GIS image at right.

Funding Sources for the Plat Conversion Program:
  • Pasco County Property Appraiser;
  • Cooperative Funding Agreements between Pasco County and SWFWMD; and
  • Pasco County Stormwater Utility