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

National Park Service

Federal facility (Sewerage Systems), Longmire, Washington. NPDES permit WA0025569 expired Jan 31, 2022; its limits still apply. Last 12 months: over a limit 19 times (last August 2026), 3 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 20 days after each period: form A monthly (30 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
7 values over a limit, 0 required values missing, 5 of 12 reports late

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

All 19 values over a limit
Period endingParameterReportedLimitOver by
November 2025BOD, 5-day, 20 deg. C, weekly average< 17 mg/L≤ 15 mg/L13%
December 2025Solids, total suspended, weekly average19.6 mg/L≤ 15 mg/L31%
January 2026Ammonia nitrogen, total, [as N] 30 day, daily maximum6 mg/L≤ 3.5 mg/L71%
January 2026Ammonia nitrogen, total, [as N] 30 day, monthly average3.2 mg/L≤ 1.8 mg/L78%
March 2026Ammonia nitrogen, total, [as N] 30 day, daily maximum≤ 6.3 mg/L≤ 3.5 mg/L80%
March 2026Ammonia nitrogen, total, [as N] 30 day, monthly average< 2.3 mg/L≤ 1.8 mg/L28%
May 2026Ammonia nitrogen, total, [as N] 30 day, daily maximum< 9.9 mg/L≤ 3.5 mg/L183%
May 2026Ammonia nitrogen, total, [as N] 30 day, monthly average< 3.3 mg/L≤ 1.8 mg/L83%
June 2026BOD, 5-day, 20 deg. C, monthly average14.4 mg/L≤ 10 mg/L44%
June 2026BOD, 5-day, 20 deg. C, weekly average31.8 mg/L≤ 15 mg/L112%
July 2026BOD, 5-day, 20 deg. C, monthly average15.6 mg/L≤ 10 mg/L56%
July 2026BOD, 5-day, 20 deg. C, weekly average19 mg/L≤ 15 mg/L27%
July 2026Fecal coliform, MPN, EC med, 44.5 C, daily maximum500 #/100mL≤ 100 #/100mL400%
July 2026Fecal coliform, MPN, EC med, 44.5 C, monthly average127.8 #/100mL≤ 50 #/100mL156%
July 2026Solids, total suspended, monthly average12.1 mg/L≤ 10 mg/L21%
July 2026Solids, total suspended, weekly average12.109 lb/d≤ 11.3 lb/d7%
July 2026Solids, total suspended, weekly average33.2 mg/L≤ 15 mg/L121%
August 2026BOD, 5-day, 20 deg. C, monthly average11.8 mg/L≤ 10 mg/L18%
August 2026BOD, 5-day, 20 deg. C, weekly average19.5 mg/L≤ 15 mg/L30%

Limits in force (30)

ParameterStatisticLimitMonths
Temperature, water deg. centigrademonthly averagereport only (deg C)all year
Temperature, water deg. centigradedaily maximumreport only (deg C)all year
BOD, 5-day, 20 deg. Cmonthly average≤ 10 mg/Lall year
BOD, 5-day, 20 deg. Cweekly average≤ 15 mg/Lall year
BOD, 5-day, 20 deg. Cmonthly average≤ 7.51 lb/dall year
BOD, 5-day, 20 deg. Cweekly average≤ 11.3 lb/dall year
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year
pHinstantaneous minimum≥ 6.5 SUall year
pHinstantaneous maximum≤ 8.5 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedweekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 7.51 lb/dall year
Solids, total suspendedweekly average≤ 11.3 lb/dall year
Solids, total suspendedmonthly averagereport only (mg/L)all year
Ammonia nitrogen, total, [as N] 30 daymonthly average≤ 1.8 mg/Lall year
Ammonia nitrogen, total, [as N] 30 daydaily maximum≤ 3.5 mg/Lall year
Ammonia nitrogen, total, [as N] 30 daymonthly average≤ 1.4 lb/dall year
Ammonia nitrogen, total, [as N] 30 daydaily maximum≤ 2.6 lb/dall year
Fecal coliform, MPN, EC med, 44.5 Cmonthly average≤ 50 #/100mLall year
Fecal coliform, MPN, EC med, 44.5 Cdaily maximum≤ 100 #/100mLall 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
Chlorine, total residualmonthly average≤ 50 ug/Lall year
Chlorine, total residualdaily maximum≤ 50 ug/Lall year
Chlorine, total residualmonthly average≤ .04 lb/dall year
Chlorine, total residualdaily maximum≤ .04 lb/dall year
Chlorine, total residualmonthly averagereport only (ug/L)all year
Chlorine, total residualdaily maximumreport only (ug/L)all year
BOD, 5-day, percent removalmonthly average minimumreport only (%)all year
Solids, suspended percent removalmonthly average minimumreport only (%)all year

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/WA0025569 · MCP: https://passage-data.com/mcp