Johnson County interns report 143 organisms in Blue River; 58% are pollution-sensitive
Jul 30, 2026
Two Johnson County stormwater interns said a macroinvertebrate survey of the Blue River found 143 organisms and that 58% belonged to pollution-sensitive groups — a common indicator of relatively low pollution in that reach.
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A macroinvertebrate survey conducted on the Blue River by two Johnson County stormwater interns found 143 distinct organisms and a high share of pollution-sensitive taxa, the interns said.
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