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

Wieland Chase

Copper Rolling And Drawing, Montpelier, Ohio. NPDES permit OH0002941, in force until Mar 31, 2030. Last 12 months: over a limit once (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (10 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
June 2026Solids, total suspended, monthly average35≤ 30 mg/L17%

Limits in force (15)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6.5 SUMar, Jun, Aug, Dec
pHdaily maximum≤ 9 SUMar, Jun, Aug, Dec
Solids, total suspendedmonthly average≤ 30 mg/LMar, Jun, Aug, Dec
Solids, total suspendeddaily maximum≤ 45 mg/LMar, Jun, Aug, Dec
Oil and grease [soxhlet extr.] tot.daily maximum≤ 10 mg/LMar, Jun, Aug, Dec
Zinc, total recoverablemonthly averagereport only (ug/L)all year
Zinc, total recoverabledaily maximumreport only (ug/L)all year
Lead, total recoverablemonthly averagereport only (ug/L)all year
Lead, total recoverabledaily maximumreport only (ug/L)all year
Copper, total recoverablemonthly averagereport only (ug/L)all year
Copper, total recoverabledaily maximumreport only (ug/L)all year
Rainfallmonthly averagereport only (in)all year
Rainfalldaily maximumreport only (in)all year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year

New limits from Apr 1, 2028

ParameterNew limitNew or tighterMedian, last 12 months× new limit
Copper, total recoverable, daily maximum60 ug/Lnew61 ug/L (11 values)1.02×
Zinc, total recoverable, daily maximum480 ug/Lnew135 ug/L (11 values)0.281×

How strict are these limits?

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

Same industry: the 56 Primary Metal Industries 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/OH0002941 · MCP: https://passage-data.com/mcp