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Fishhawk Lake Reserve and Community

Sewerage Systems, Birkenfeld, Oregon. NPDES permit OR0027634, in force until Oct 31, 2028. Last 12 months: over a limit 3 times (last June 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (29 values), form G monthly (6 values), form RW monthly (5 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 1 required value missing, 3 of 36 reports late

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

Period endingParameterReportedLimitOver by
January 2026Excess thermal load, maximum 7-day average1.4954 mkcal/day≤ 1.4 mkcal/day7%
March 2026Excess thermal load, maximum 7-day average2.0152 mkcal/day≤ 1.4 mkcal/day44%
June 2026Excess thermal load, maximum 7-day average1.407 mkcal/day≤ 1.4 mkcal/day1%

Limits in force (52)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
Temperature, water deg. centigrademonthly maximumreport only (deg C)all year
Temperature, water deg. centigrademaximum 7-day averagereport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 20 mg/LMay–Oct
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)May–Oct
BOD, 5-day, 20 deg. Cmonthly average≤ 25 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmonthly average≤ 17 lb/dMay–Oct
BOD, 5-day, 20 deg. Cdaily maximum≤ 50 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cdaily maximum≤ 34 lb/dMay–Oct
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d)all year
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 30 mg/LMay–Oct
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 25 lb/dMay–Oct
BOD, 5-day, 20 deg. Cmaximum weekly average≤ 38 lb/dJan, Feb, Mar, Apr, Nov, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHmonthly minimumreport only (SU)all year
pHmonthly maximumreport only (SU)all year
pHmonthly minimumreport only (SU)all year
pHmonthly maximumreport only (SU)all year
Alkalinity, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Alkalinity, total [as CaCO3]quarterly maximumreport only (mg/L)all year
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 20 mg/LMay–Oct
Solids, total suspendeddaily maximumreport only (mg/L)Jan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximumreport only (mg/L)May–Oct
Solids, total suspendedmonthly average≤ 25 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 17 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 50 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 34 lb/dMay–Oct
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly averagereport only (lb/d)all year
Solids, total suspendedmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmaximum weekly average≤ 30 mg/LMay–Oct
Solids, total suspendedmaximum weekly average≤ 38 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmaximum weekly average≤ 25 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly average≤ 17 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 56 mg/Lall year
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)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
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximum≤ 406 #/100mLall year
E. colimonthly geometric mean≤ 126 #/100mLall year
E. colidaily maximumreport only (#/100mL)all year
Excess thermal loadmaximum 7-day average≤ 1.4 mkcal/dayall year
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year
Solids, suspended percent removalmonthly average minimum≥ 85 %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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0027634 · MCP: https://passage-data.com/mcp