Passage Data · Check a report · Use it from your AI

City of Cleveland Division of Water

Water Supply, Westlake, Ohio. NPDES permit OH0000817, in force until Jun 30, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (23 values), outfall 601 form A monthly (6 values), outfall 602 form A monthly (6 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 36 reports late

Limits in force (35)

ParameterStatisticLimitMonthsOutfall
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendeddaily maximum≤ 45 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Dichlorobromomethanemonthly averagereport only (ug/L)Sep001
Dichlorobromomethanedaily maximumreport only (ug/L)Sep001
Bromoformmonthly averagereport only (ug/L)Sep001
Bromoformdaily maximumreport only (ug/L)Sep001
Dibromochloromethanemonthly averagereport only (ug/L)Sep001
Dibromochloromethanedaily maximumreport only (ug/L)Sep001
Chloroformmonthly averagereport only (ug/L)Sep001
Chloroformdaily maximumreport only (ug/L)Sep001
Methyl bromide [Bromomethane]monthly averagereport only (ug/L)Sep001
Methyl bromide [Bromomethane]daily maximumreport only (ug/L)Sep001
Methyl chloride [Chloromethane]monthly averagereport only (ug/L)Sep001
Methyl chloride [Chloromethane]daily maximumreport only (ug/L)Sep001
Methylene chloridemonthly averagereport only (ug/L)Sep001
Methylene chloridedaily maximumreport only (ug/L)Sep001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .038 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year601
Solids, total suspendeddaily maximum≤ 20 mg/Lall year601
Solids, total suspendedmonthly average≤ 61.3 kg/dall year601
Solids, total suspendeddaily maximum≤ 81.8 kg/dall year601
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year601
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year601
Solids, total suspendedmonthly average≤ 15 mg/Lall year602
Solids, total suspendeddaily maximum≤ 20 mg/Lall year602
Solids, total suspendedmonthly average≤ 85.2 kg/dall year602
Solids, total suspendeddaily maximum≤ 114 kg/dall year602
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year602
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year602

How strict are these limits?

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

Same industry: the 147 Water Supply permits in Ohio.

Check this month's numbers Email me before each report is due

· Save this facility as a site · Superfund sites nearby · Your permits on one board

On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OH0000817 · MCP: https://passage-data.com/mcp