Water Quality Update – September 15, 2025
CITY OF MATTOON Water Quality Update – September 15, 2025 Current Sample Sample collected on September 15th showed non-detectable levels of harmful algal bloom neurological toxin in the drinking water at 0.000 ppb which is considered non-detect under the EPA recommended advisory levels of .30 ppb. We will continue to sample per-EPA guidelines. The next sample date as recommended by the IEPA will be taken on Thursday, September 18th. Results will continue to be posted on the City’s website. PAST SAMPLES Samples collected on July 16th showed harmful algal bloom neurological toxin in the drinking water at .215 ppb which [...]