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Sampling Stations

The sampling stations monitored by LACA and DEQ are updated each year prior to the sampling season.  DEQ tends to monitor their stations (lake stations and stream stations) on a monthly basis.  LACA volunteers monitor lake and stream/creek stations four times each year (once in April, June, August, and October). 

DEQ and LACA also monitor multiple locations on the lake for cyanobacteria, also called blue-green algae.  Cyanobacteria are capable of producing and releasing toxins that are harmful to humans and animals. 

Station Listings and Maps:  The sampling stations spread across the lake and streams that flow into the lake from Orange, Spotsylvania and Louisa counties.  Listings of the stations are available in the Water Quality Committee Library

LACA's Monitoring Plan for the lake in 2024 is provided below:


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