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Northville storm sewer permit falls into non-compliance
October 20, 2026
Northville MS4-Oakland is in Significant Non-Compliance with its Clean Water Act permit for being more than 30 days late reporting progress on its compliance schedule. The facility operates a municipal separate storm sewer system in Oakland County and must bring its compliance reporting current to return to standard permit status.
Rainfall runs above normal at Willow Run Airport
October 20, 2026
Through October 20, Detroit Willow Run Airport 8 km away recorded 2.1 inches of precipitation, 0.6 inches above normal for this date. September 2026 at the county level averaged 3.3 inches, 0.4 inches above normal, ranking 44th wettest of 132 September records since 1895.
County stays abnormally dry through October
October 20, 2026
The entire county entered abnormal dryness the week of August 18 and has remained in D0 or worse through October 19. While no severe drought has developed, the persistent dry condition has lasted nine weeks without relief, potentially reducing available water for vernal pools and surface-dependent amphibian breeding habitats.
More about Summer Flier Sedges
Summer flier sedges signal clean water in Calgary
October 4, 2026
(Limnephilus) was recorded on October 2 in Calgary. Caddisfly larvae require clean, well-oxygenated flowing water, making their presence an indicator of suitable aquatic habitat conditions.
Caddisfly larvae signal clean water near upper Nyack
October 3, 2026
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