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Black River Watershed



Watershed Overview

530 miles of rivers, streams and drains 

2 counties, 13 townships, 3 cities, 2 villages

287 square miles, 183,490 acres

43.8% lies in Allegan County; 56.2% lies in Van Buren County

43 named lakes; 35 lakes 10 acres or larger; over 500 small, unnamed lakes and ponds

Lakes in the watershed are generally either mesotrophic (having moderate nutrient levels) or eutrophic (having excessive nutrients)

65%-85% of the watershed's wetlands have been converted to other uses

Sandy soils in the watershed make groundwater vulnerable to pollution

17 register dams - 11 privately owned, 4 local government owned, 2 state owned

Fun Fact: To cover this watershed with just one inch of rain requires 4,987,646,720 gallons of water.



Biological Survey of Black River Watershed - MDEQ

E.coli Monitoring Study - Implementation Plan


Helpful Links: 

Harbor News - South Haven

Black River Watershed - Wikipedia

USGS Real-Time Water Data for Michigan

USGS  Daily Streamflow Conditions for the Black River




This page last updated on 11/23/2022.