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Dye Test At Round Valley Reservoir Week of April 27


April 21, 2015

The NJDEP Division of Fish and Wildlife is informing anglers that the New Jersey Water Supply Authority will be initiating a "dye test" at Round Valley Reservoir during the week of April 27 (dates may vary slightly). The testing is done as part of routine dam monitoring.

According to standard EPA terminology, the active ingredients in this dye fall into the lowest toxicity category for fish, mammals, and invertebrates (practically nontoxic). Both red and green dyes will be used in distinct locations along the dams over several days and are anticipated to dissipate rapidly.

Additional information can be found by visiting the NJWSA website at

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Department of Environmental Protection
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Last Updated: April 21, 2015