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Monroe Co Water Authority

Water Supply, Rochester, New York. NPDES permit NY0063673 expired Oct 31, 2015; its limits still apply. Last 12 months: over a limit 2 times (last October 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (8 values), outfall 002 form M monthly (14 values), outfall 003 form M monthly (14 values), outfall 001 form Q quarterly
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 40 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, daily average34 mg/L≤ 20 mg/L70%
October 2025Solids, total suspended, daily maximum44 mg/L≤ 40 mg/L10%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
pHminimum≥ 6.5 SUall year001
pHmaximum≤ 8.5 SUall year001
Solids, total suspendeddaily average≤ 20 mg/Lall year001
Solids, total suspendeddaily maximum≤ 40 mg/Lall year001
Solids, settleabledaily maximum≤ .3 mL/Lall year001
Copper, total [as Cu]daily averagereport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily averagereport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily averagereport only (mg/L)all year001
Aluminum, total [as Al]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .5 mg/Lall year001
pHminimum≥ 6.5 SUall year002
pHmaximum≤ 8.5 SUall year002
Solids, total suspendeddaily average≤ 20 mg/Lall year002
Solids, total suspendeddaily maximum≤ 40 mg/Lall year002
Solids, settleabledaily maximum≤ .3 mL/Lall year002
Copper, total [as Cu]daily averagereport only (mg/L)all year002
Copper, total [as Cu]daily maximumreport only (mg/L)all year002
Lead, total [as Pb]daily averagereport only (mg/L)all year002
Lead, total [as Pb]daily maximumreport only (mg/L)all year002
Aluminum, total [as Al]daily averagereport only (mg/L)all year002
Aluminum, total [as Al]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Chlorine, total residualdaily maximum≤ .5 mg/Lall year002
pHminimum≥ 6.5 SUall year003
pHmaximum≤ 8.5 SUall year003
Solids, total suspendeddaily average≤ 20 mg/Lall year003
Solids, total suspendeddaily maximum≤ 40 mg/Lall year003
Solids, settleabledaily maximum≤ .3 mL/Lall year003
Copper, total [as Cu]daily averagereport only (mg/L)all year003
Copper, total [as Cu]daily maximumreport only (mg/L)all year003
Lead, total [as Pb]daily averagereport only (mg/L)all year003
Lead, total [as Pb]daily maximumreport only (mg/L)all year003
Aluminum, total [as Al]daily averagereport only (mg/L)all year003
Aluminum, total [as Al]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantdaily averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Chlorine, total residualdaily maximum≤ .5 mg/Lall year003

How strict are these limits?

Cited limits by parameter: New York's rules and the federal ones.

Same industry: the 53 Water Supply permits in New York.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/NY0063673 · MCP: https://passage-data.com/mcp