adams county impaired streams & water quality trends€¦ · adams county impaired streams...
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Adams County Impaired Streams & Water
Quality Trends
Adam McClain
Watershed Specialist
Adams County Conservation District
PA Code Title 25. Chapter 93
Water Quality Standards:
– list “water uses protected” for streams
– CWF, WWF, TSF, MF
special protections – HQ, EV
– assessed: aquatic life, recreation, water supply
– attaining or non attaining (meeting or not the
water quality standards)
Non Attaining (Impaired) Stream
Sources (where)
– industry point source, urban runoff, agriculture,
channelization, storm sewers, small residential
runoff
Cause (what)
– nutrients, sediment, flow variability, unknown
toxicity, acid deposition, bacteria
Environmental Alliance for Senior Involvement (EASI)
Maryland DNR Bridgeport Stream Monitoring Station Rock, Marsh, and Alloway Creeks
Drainage Area -173 mi2 (~ 165mi2 Adams Co)
Where Did The Reductions Come From?
Many sources reductions/partners
Most reductions hard to quantify
Point and Nonpoint -sewer upgrades
- new public sewer
-ag BMPs
-stormwater BMPs
-land preservation
-riparian buffers
Questions?
Adam McClain
Watershed Specialist
Adams County Conservation District
“When the wells dry, we know the worth of water.”
~ Ben Franklin