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Monroe County Water Authority

Water Supply, Webster, New York. NPDES permit NY0247367, in force until Jul 31, 2028. Last 12 months: over a limit 3 times (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form M monthly (11 values), outfall 004 form M monthly (2 values), outfall 005 form M monthly (7 values), outfall 001 form Q quarterly, outfall 003 form Q quarterly, outfall 005 form Q quarterly
Renewal application due
Feb 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
2 values over a limit, 0 required values missing, 0 of 43 reports late

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

Period endingParameterReportedLimitOver by
November 2025Aluminum, total [as Al], daily maximum6.12 mg/L≤ 2 mg/L206%
November 2025Solids, total suspended, daily average20.7 mg/L≤ 20 mg/L4%
November 2025Solids, total suspended, daily maximum75 mg/L≤ 40 mg/L88%

Limits in force (26)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 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
Fluoride, total [as F]daily maximum≤ 15 mg/Lall year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Aluminum, total [as Al]daily maximum≤ 2 mg/Lall 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≤ .25 mg/Lall year001
Flow ratedaily maximumreport only (gal/d)all year003
Solids, total suspendeddaily maximum≤ 50 mg/Lall year003
Oil & Greasedaily maximum≤ 15 mg/Lall year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Chlorine, total residualdaily maximumreport only (mg/L)all year004
Flow ratedaily averagereport only (MGD)Apr–Nov005
Flow ratedaily maximumreport only (MGD)Apr–Nov005
pHminimum≥ 6.5 SUApr–Nov005
pHmaximum≤ 8.5 SUApr–Nov005
Fluoride, total [as F]daily maximum≤ 3 mg/LApr–Nov005
Lead, total [as Pb]daily maximum≤ .05 mg/LApr–Nov005
Aluminum, total [as Al]daily maximum≤ 2 mg/LApr–Nov005
Chlorine, total residualdaily maximumreport only (mg/L)Apr–Nov005

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/NY0247367 · MCP: https://passage-data.com/mcp