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

Winston Green Regional Treatment Facility

Sewage treatment plant, Roseburg, Oregon. NPDES permit OR0030392 expired Jun 30, 2010; its limits still apply. Last 12 months: over a limit 9 times (last September 2026), 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (41 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
6 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
October 2025Excess thermal load, weekly average23.5 mkcal/day≤ 9.2 mkcal/day155%
May 2026Excess thermal load, weekly average11.1 mkcal/day≤ 9.2 mkcal/day21%
June 2026Excess thermal load, weekly average19.9 mkcal/day≤ 9.2 mkcal/day116%
June 2026Nitrogen, ammonia total [as N], daily maximum37.8 mg/L≤ 6 mg/L530%
June 2026Nitrogen, ammonia total [as N], monthly average27.14 mg/L≤ 2.6 mg/L944%
July 2026Excess thermal load, weekly average25.6 mkcal/day≤ 9.2 mkcal/day178%
July 2026Nitrogen, ammonia total [as N], daily maximum27 mg/L≤ 6 mg/L350%
August 2026Excess thermal load, weekly average29.3 mkcal/day≤ 9.2 mkcal/day218%
September 2026Excess thermal load, weekly average25.2 mkcal/day≤ 9.2 mkcal/day174%

Limits in force (61)

ParameterStatisticLimitMonths
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigradeweekly averagereport only (deg C)May–Oct
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 590 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 1200 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 590 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cweekly average≤ 880 lb/dJan, Feb, Mar, Apr, Nov, Dec
pHdaily minimum≥ 6.2 SUMay–Oct
pHdaily minimum≥ 6 SUJan, Feb, Mar, Apr, Nov, Dec
pHdaily maximum≤ 8.5 SUMay–Oct
pHdaily maximum≤ 9 SUJan, Feb, Mar, Apr, Nov, Dec
pHdaily minimumreport only (SU)all year
pHdaily maximumreport only (SU)all year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 130 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 590 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 270 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 1200 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 10 mg/LMay–Oct
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 130 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 590 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximumreport only (lb/d)May–Oct
Solids, total suspendeddaily maximumreport only (lb/d)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 15 mg/LMay–Oct
Solids, total suspendedweekly average≤ 880 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 200 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 2.6 mg/LMay–Oct
Nitrogen, ammonia total [as N]daily maximum≤ 6 mg/LMay–Oct
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L)May–Oct
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L)May–Oct
Phosphorus, total [as P]monthly averagereport only (mg/L)May–Oct
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residualmonthly average≤ .1 mg/Lall year
Chlorine, total residualdaily maximum≤ .1 mg/Lall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 406 #/100mLall year
E. colimonthly average≤ 126 #/100mLall year
E. colidaily maximumreport only (#/100mL)all year
Excess thermal loadweekly average≤ 9.2 mkcal/dayMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)May–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 130 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 270 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 130 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (lb/d)May–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 200 lb/dMay–Oct
BOD, carb-5 day, 20 deg C, percent removalmonthly average minimum≥ 85 %May–Oct
BOD, 5-day, percent removalmonthly average minimum≥ 85 %Jan, Feb, Mar, Apr, Nov, Dec
Solids, suspended percent removalmonthly average minimum≥ 85 %all year
Chlorine usagemonthly averagereport only (lb/d)all year

How strict are these limits?

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

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/OR0030392 · MCP: https://passage-data.com/mcp