Source Water Protection Threats Version ( 2017)
Version ( 2017)
Source Water Protection Tables of Threats and Circumstances
Welcome to the Source Water Protection Threats Tool and Table of Drinking Water Threats (TDWTs).
This site allows users to search through the tables of drinking water threats by the various activities that could constitute a significant, moderate or low threat to municipal drinking water sources. Click
for a glossary of terms.
Change version here (Default is 2017/18):
Use the 2013 Tables of Threats version, to review all source protection plans approved prior to 2017.
Use the updated 2017 Tables of Threats version when preparing updates to source protection plans.
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