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

Town of Metaline

Sewage treatment plant, Metaline, Washington. NPDES permit WA0020699 expired Dec 31, 2023; its limits still apply. Last 12 months: over a limit 6 times (last September 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 001 form MM monthly (16 values), outfall 001 form QQ quarterly (1 value), outfall IN1 form MM monthly (6 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
3 values over a limit, 1 required value missing, 5 of 28 reports late

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

Period endingParameterReportedLimitOver by
November 2025Coliform, fecal general, monthly geometric mean115.839≤ 100 #/100mL16%
November 2025Solids, total suspended, weekly average7.5≤ 7.3 lb/d3%
December 2025Nitrogen, ammonia total [as N], monthly average19.1≤ 1 mg/L1810%
May 2026Solids, total suspended, monthly average20≤ 15 mg/L33%
June 2026Solids, total suspended, weekly average22≤ 20 mg/L10%
September 2026Solids, total suspended, weekly average30≤ 20 mg/L50%

Limits in force (46)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 22.5 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 5.5 lb/dall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 5.5 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 8.3 lb/dall year001
BOD, 5-day, 20 deg. Cweekly average≤ 8.3 lb/dall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedmonthly average≤ 15 mg/Lall year001
Solids, total suspendedweekly average≤ 20 mg/Lall year001
Solids, total suspendedweekly average≤ 20 mg/Lall year001
Solids, total suspendedmonthly average≤ 5.5 lb/dall year001
Solids, total suspendedmonthly average≤ 5.5 lb/dall year001
Solids, total suspendedweekly average≤ 7.3 lb/dall year001
Solids, total suspendedweekly average≤ 7.3 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year001
Nitrogen, ammonia total [as N]monthly average≤ 1 mg/Lall year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
BOD, percent removal [total]monthly average minimum≥ 85 %all year001
pH, maximumdaily maximum≤ 9.5 SUall year001
pH, maximumdaily maximum≤ 9.5 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
pH, minimumdaily minimum≥ 6.5 SUall year001
Coliform, fecal generalmonthly geometric mean≤ 100 #/100mLall year001
Coliform, fecal generalmonthly geometric mean≤ 100 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 200 #/100mLall year001
Coliform, fecal generalweekly geometric mean≤ 200 #/100mLall year001
Flowmaximumreport only (gal/d) (alert, not enforceable)all year001
Flowmaximumreport only (gal/d) (alert, not enforceable)all year001
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all year001
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmonthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmonthly averagereport only (lb/d) (alert, not enforceable)all yearIN1
Flowmaximumreport only (gal/d) (alert, not enforceable)all yearIN1
Flowmaximumreport only (gal/d) (alert, not enforceable)all yearIN1
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all yearIN1
Flowmonthly averagereport only (gal/d) (alert, not enforceable)all yearIN1

How strict are these limits?

Cited limits by parameter: Washington'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/WA0020699 · MCP: https://passage-data.com/mcp