Guidance for using the Stormwater Special and impaired waters search tool Revision as of 20:58, 20 December 2017 by Mtrojan (talk | contribs) (Created page with "The Special and impaired waters search tool is used to find special or impaired waters near stormwater sites that require an NPDES stormwater permit. This page provides guidan...")(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff) Guidance for using the Stormwater Special and impaired waters search tool

The Special and impaired waters search tool is used to find special or impaired waters near stormwater sites that require an NPDES stormwater permit. This page provides guidance for using the search tool to find specific conditions applicable to the permitted site.

To link to the Special and impaired waters search tool, click here.

Finding Drinking Water Source Management Areas (DWSMAs) and Emergency Response Areas (ERAs)

Infiltration of stormwater is prohibited in areas within DWSMAs having high or very high vulnerability or areas within Emergency Response Areas. The following steps describe how to identify these features.

1. Go to the Special and impaired waters search tool - click here. 2. Click on the Special and impaired waters search link (or the map). 3. If applicable, click OK to the prompt on the screen.