1 2024

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Consulting

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Village of Red Hook Wastewater System Red Hook Commons Village ofRed Hook Average Daily Flow : 0.014 MGD (Million Gallons per Day) 0.037 MGD (Million Gallons per Day) Required Samples Result Compliance BOD (June 1 - Oct 31) 1.3 mg/L 5mg/L January 2024 TSS <5.00 mg/L 10 mg/L NH3 <0.50 0.98 mg/L (June 1 - Oct 31) 1.81 mg/L (Nov 1- May 31) Fecal Coliform <1.00/100 mL 200/100 mL Dissolved Oxygen 8.0 mg/L .o mg/L Minimum Deficienci Anoxic Mixers Currently a Medora mixer in place to keep Anoxic tank solids moving. May need to consider this infuture updates. Sand Filter Rebuild Sand Filters have never been rebuilt or media replaced. Should price and schedulefor the nearfuture. Train Down for Review Reviewed Train andfound air getting into the aeration tank. Currently working on pricing for replacement parts. Train scheduled to go back online on 1/8/2024 Pump Station Pump Station pumps clogging issues have been an issuefor some time. Pump Station mixing should be implemented to help with pumpfailure andpump station pump outs. BackflowPrev. Facilities backflow Preventor in need ofreplacement. Additional Notes: ----- End of picture text -----

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(1) Refer to current edilion of “Notice to SPDES Permitaes Regarding Use of the National Pollutant Discharge Efimination System (NPDES) Discharge Monitoring Report Form" for procedures lo calculate loadings, flow-wsighted average, geometric mean, maximum minimum, percent removal, etc.

Note: Refer to current SPDES permit for specific monitoring requirements. Sample type for chlorine residual and fecal coliforms is grab.

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|Effect on Receiving Stream Nameand amount ofchemicals used in treatment process