Upgrade your sewage treatment plant, get a free bioswale!

Upgrade your sewage treatment plant, get a free bioswale!

Does the State Revolving Fund (SRF) do infomercials for its Clean Water Loans?  I think they should because SRF Sponsored Projects are a classic case of "buy-one-get-one-free." We usually focus on conservation efforts by farmers but today let’s give some credit to the municipal wastewater departments—they do a lot to keep our rivers clean.  As a nation, we’ve generally been more successful in regulating and treating the pollutants coming out from sewage treatment plants and factories than we have been in dealing with the pollutants that wash off of farm fields, turf grass and parking lots.  We’ve now reached a point where the water coming out of the local sewage treatment plant is cleaner in some respects than the water in the backyard creek.  I’m not kidding: Ames Water and Pollution Control can’t exceed 126 E. coli colonies per 100mL in their treated effluent—E. coli levels in Squaw Creek for 2016 were eight times higher. Repairing an aging sewer system or installing...
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