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

United States Gypsum Company

Gypsum Products, Gypsum, Ohio. NPDES permit OH0031046, in force until Apr 30, 2030. Last 12 months: over a limit 16 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: outfall 001 form A monthly (22 values), outfall 002 form A monthly (2 values), outfall 003 form A monthly (2 values), outfall 005 form A monthly (2 values), outfall 801 form A monthly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 60 reports late

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

All 16 values over a limit
Period endingParameterReportedLimitOver by
November 2025pH, maximum, daily maximum9.1≤ 9 SU—
December 2025BOD, 5-day, 20 deg. C, monthly average27≤ 21.6 mg/L25%
December 2025BOD, 5-day, 20 deg. C, monthly average46≤ 44.5 kg/d3%
January 2026BOD, 5-day, 20 deg. C, daily maximum75≤ 57.2 mg/L31%
January 2026BOD, 5-day, 20 deg. C, monthly average56≤ 21.6 mg/L159%
January 2026BOD, 5-day, 20 deg. C, monthly average81≤ 44.5 kg/d82%
February 2026BOD, 5-day, 20 deg. C, daily maximum120≤ 57.2 mg/L110%
February 2026BOD, 5-day, 20 deg. C, daily maximum180≤ 131.6 kg/d37%
February 2026BOD, 5-day, 20 deg. C, monthly average100≤ 44.5 kg/d125%
February 2026BOD, 5-day, 20 deg. C, monthly average84≤ 21.6 mg/L289%
March 2026BOD, 5-day, 20 deg. C, daily maximum75≤ 57.2 mg/L31%
March 2026BOD, 5-day, 20 deg. C, monthly average33≤ 21.6 mg/L53%
March 2026Solids, total suspended, monthly average64≤ 48.9 mg/L31%
April 2026Solids, total suspended, daily maximum220≤ 150 kg/d47%
April 2026Solids, total suspended, monthly average140≤ 100 kg/d40%
April 2026Solids, total suspended, monthly average61≤ 48.9 mg/L25%

Limits in force (36)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademonthly averagereport only (deg C)all year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all year001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 21.6 mg/Lall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 57.2 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 44.5 kg/dall year001
BOD, 5-day, 20 deg. Cdaily maximum≤ 131.6 kg/dall year001
Solids, total suspendedmonthly average≤ 48.9 mg/Lall year001
Solids, total suspendeddaily maximum≤ 73.2 mg/Lall year001
Solids, total suspendedmonthly average≤ 100 kg/dall year001
Solids, total suspendeddaily maximum≤ 150 kg/dall year001
Oil and grease, hexane extr methoddaily maximum≤ 10 mg/Lall year001
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)all year001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]monthly averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
pH, maximumdaily maximum≤ 9 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Aug, Dec002
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Aug, Dec002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Aug, Dec003
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Aug, Dec003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Solids, total suspendedmonthly averagereport only (mg/L)Mar, Jun, Aug, Dec005
Solids, total suspendeddaily maximumreport only (mg/L)Mar, Jun, Aug, Dec005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year801
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year801

How strict are these limits?

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

Same industry: the 36 Stone, Clay, Glass and Concrete Products 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/OH0031046 · MCP: https://passage-data.com/mcp