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Waldport, City of

Sewage treatment plant, Waldport, Oregon. NPDES permit OR0034053, in force until Mar 31, 2030. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: form A monthly (34 values), form G monthly (7 values), form RW monthly (4 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 29 reports late

Limits in force (61)

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
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
pHmonthly minimumreport only (SU)all year
pHmonthly maximumreport 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]monthly 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 suspendedmonthly average≤ 36 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedmonthly average≤ 30 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 72 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 60 lb/dMay–Oct
Solids, total suspendedmonthly averagereport only (mg/L)all year
Solids, total suspendedmonthly average≤ 39 lb/dMay–Oct
Solids, total suspendedmonthly average≤ 70 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 75 lb/dMay–Oct
Solids, total suspendedweekly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendeddaily maximum≤ 100 lb/dMay–Oct
Solids, total suspendeddaily maximum≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 30 mg/LMay–Oct
Solids, total suspendedweekly average≤ 54 lb/dJan, Feb, Mar, Apr, Nov, Dec
Solids, total suspendedweekly average≤ 45 lb/dMay–Oct
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly maximumreport only (mg/L)all year
Coliform, fecal - % samples exceeding limittotal≤ 10 %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
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
Enterococci - % samples exceeding limittotal≤ 10 %all year
Enterococcimonthly geometric mean≤ 35 #/100mLall year
Enterococcidaily maximumreport only (#/100mL)all year
Ultraviolet light dosagedaily minimumreport only (mJ/cm2)all year
Coliform, fecal generalmonthly median≤ 14 #/100mLall year
Coliform, fecal generaldaily maximumreport only (#/100mL)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 36 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 30 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 72 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 60 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 39 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 70 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 100 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 75 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 100 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]daily maximum≤ 150 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 25 mg/LMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Nov, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 45 lb/dMay–Oct
BOD, carbonaceous [5 day, 20 C]weekly average≤ 54 lb/dJan, Feb, Mar, Apr, Nov, Dec
BOD, carb-5 day, 20 deg C, 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/OR0034053 · MCP: https://passage-data.com/mcp