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

College Place Stp

Sewage treatment plant, College Place, Washington. NPDES permit WA0020656 expired Feb 28, 2019; its limits still apply. Last 12 months: over a limit 15 times (last September 2026), 9 required values missing, 5 of 108 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 15 days after each period: outfall 0002 form MM monthly (4 values), outfall 001A form MM monthly (22 values), outfall 001Q form QQ quarterly (1 value), outfall 002Q form QQ quarterly (5 values), outfall IN1 form MM monthly (14 values), outfall MW1 form MM monthly (3 values), and 7 more forms
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 6 required values missing, 4 of 108 reports late

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

All 15 values over a limit
Period endingOutfallParameterReportedLimitOver by
November 20250002BOD, 5-day, 20 deg. C, weekly average44≤ 23 mg/L91%
November 20250002Solids, total suspended, weekly average617≤ 309 lb/d100%
November 20250002Solids, total suspended, weekly average91≤ 23 mg/L296%
November 2025001ASolids, total suspended, monthly average23.3375≤ 15 mg/L56%
December 2025001AColiform, total general, maximum2420≤ 240 #/100mL908%
April 2026001AColiform, total general, maximum727≤ 240 #/100mL203%
May 2026001AColiform, total general, maximum613≤ 240 #/100mL155%
May 2026001AColiform, total general, weekly geometric mean79.8≤ 23 #/100mL247%
July 2026001AColiform, total general, maximum1986≤ 240 #/100mL728%
July 2026001AColiform, total general, weekly geometric mean60.9≤ 23 #/100mL165%
August 2026001AOxygen, dissolved [DO], minimum5.2≥ 8 mg/L35%
August 2026001ATemperature, water deg. centigrade, maximum23.5≤ 20 deg C18%
August 2026001ApH, minimum, daily minimum6≥ 6.5 SU—
September 2026001AColiform, total general, maximum326≤ 240 #/100mL36%
September 2026001AColiform, total general, weekly geometric mean165≤ 23 #/100mL617%

Limits in force (203)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. Cweekly average≤ 23 mg/Lall year0002
BOD, 5-day, 20 deg. Cweekly average≤ 23 mg/Lall year0002
BOD, 5-day, 20 deg. Cweekly average≤ 309 lb/dall year0002
BOD, 5-day, 20 deg. Cweekly average≤ 309 lb/dall year0002
BOD, 5-day, 20 deg. Cweekly average≤ 309 lb/dall year0002
Solids, total suspendedweekly average≤ 23 mg/Lall year0002
Solids, total suspendedweekly average≤ 23 mg/Lall year0002
Solids, total suspendedweekly average≤ 309 lb/dall year0002
Solids, total suspendedweekly average≤ 309 lb/dall year0002
Solids, total suspendedweekly average≤ 309 lb/dall year0002
Temperature, water deg. centigrademaximum≤ 20 deg CMay–Oct001A
Temperature, water deg. centigrademaximumreport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademaximumreport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademaximumreport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademaximumreport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademonthly averagereport only (deg C)May–Oct001A
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Temperature, water deg. centigrademonthly averagereport only (deg C) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Turbiditymaximumreport only (NTU) (alert, not enforceable)all year001A
Turbiditymaximumreport only (NTU) (alert, not enforceable)all year001A
Turbiditymonthly averagereport only (NTU) (alert, not enforceable)all year001A
Turbiditymonthly averagereport only (NTU) (alert, not enforceable)all year001A
Oxygen, dissolved [DO]minimum≥ 8 mg/LMay–Oct001A
Oxygen, dissolved [DO]minimumreport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]minimumreport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]minimumreport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]minimumreport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]monthly averagereport only (mg/L)May–Oct001A
Oxygen, dissolved [DO]monthly averagereport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]monthly averagereport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]monthly averagereport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
Oxygen, dissolved [DO]monthly averagereport only (mg/L) (alert, not enforceable)Jan, Feb, Mar, Apr, Nov, Dec001A
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 15 mg/Lall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 206 lb/dall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 206 lb/dall year001A
BOD, 5-day, 20 deg. Cmonthly average≤ 206 lb/dall year001A
Solids, total suspendedmonthly average≤ 15 mg/Lall year001A
Solids, total suspendedmonthly average≤ 15 mg/Lall year001A
Solids, total suspendedmonthly average≤ 206 lb/dall year001A
Solids, total suspendedmonthly average≤ 206 lb/dall year001A
Nitrogen, ammonia total [as N]maximum≤ 3 mg/Lall year001A
Nitrogen, ammonia total [as N]maximum≤ 3 mg/Lall year001A
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year001A
Nitrogen, ammonia total [as N]monthly average≤ 2 mg/Lall year001A
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all year001A
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all year001A
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L) (alert, not enforceable)all year001A
Nitrite + Nitrate total [as N]monthly averagereport only (mg/L) (alert, not enforceable)all year001A
Phosphorus, total [as P]maximumreport only (mg/L) (alert, not enforceable)all year001A
Phosphorus, total [as P]maximumreport only (mg/L) (alert, not enforceable)all year001A
Phosphorus, dissolved reactive [drp as P]maximumreport only (mg/L) (alert, not enforceable)all year001A
Phosphorus, dissolved reactive [drp as P]maximumreport only (mg/L) (alert, not enforceable)all year001A
BOD, percent removal [total]monthly average minimum≥ 85 %all year001A
BOD, percent removal [total]monthly average minimum≥ 85 %all year001A
pH, maximumdaily maximum≤ 8.5 SUall year001A
pH, maximumdaily maximum≤ 8.5 SUall year001A
pH, minimumdaily minimum≥ 6.5 SUall year001A
pH, minimumdaily minimum≥ 6.5 SUall year001A
Coliform, total generalmaximum≤ 240 #/100mLJan, Feb, Mar, Apr, Nov, Dec001A
Coliform, total generalmaximum≤ 240 #/100mLJan, Feb, Mar, Apr, Nov, Dec001A
Coliform, total generalmaximum≤ 240 #/100mLMay–Oct001A
Coliform, total generalmaximum≤ 240 #/100mLMay–Oct001A
Coliform, total generalmonthly average≤ 23 #/100mLJan, Feb, Mar, Apr, Nov, Dec001A
Coliform, total generalmonthly average≤ 23 #/100mLJan, Feb, Mar, Apr, Nov, Dec001A
Coliform, total generalweekly geometric mean≤ 23 #/100mLMay–Oct001A
Coliform, total generalweekly geometric mean≤ 23 #/100mLMay–Oct001A
Flowmaximumreport only (MGD) (alert, not enforceable)all year001A
Flowmaximumreport only (MGD) (alert, not enforceable)all year001A
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year001A
Flowmonthly averagereport only (MGD) (alert, not enforceable)all year001A
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001A
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001A
Hardness, total [as CaCO3]single readingreport only (mg/L) (alert, not enforceable)all year001Q
Hardness, total [as CaCO3]single readingreport only (mg/L) (alert, not enforceable)all year001Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all year002Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all year002Q
BOD, 5-day, 20 deg. Cmaximumreport only (mg/L) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport 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 (mg/L) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
BOD, 5-day, 20 deg. Cmaximumreport only (lb/d) (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 suspendedmaximumreport only (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport 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 (mg/L) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (lb/d) (alert, not enforceable)all yearIN1
Solids, total suspendedmaximumreport only (lb/d) (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
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearIN1
Nitrogen, Kjeldahl, total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearIN1
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
Nitrogen, Kjeldahl, total [as N]monthly averagereport only (mg/L) (alert, not enforceable)all yearIN1
pH, maximummaximumreport only (SU) (alert, not enforceable)all yearIN1
pH, maximummaximumreport only (SU) (alert, not enforceable)all yearIN1
pH, minimumminimumreport only (SU) (alert, not enforceable)all yearIN1
pH, minimumminimumreport only (SU) (alert, not enforceable)all yearIN1
Flowmaximumreport only (MGD) (alert, not enforceable)all yearIN1
Flowmaximumreport only (MGD) (alert, not enforceable)all yearIN1
Flowmonthly averagereport only (MGD) (alert, not enforceable)all yearIN1
Flowmonthly averagereport only (MGD) (alert, not enforceable)all yearIN1
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW1
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW1
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW1
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW1
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW1
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW1
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW1Q
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW1Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW1Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW1Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW1Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW1Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW1Q
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW2
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW2
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW2
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW2
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW2
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW2
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW2Q
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW2Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW2Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW2Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW2Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW2Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW2Q
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW3
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW3
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW3
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW3
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW3
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW3
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW3Q
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW3Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW3Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW3Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW3Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW3Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW3Q
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW4
Nitrite + Nitrate total [as N]maximumreport only (mg/L) (alert, not enforceable)all yearMW4
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW4
Solids, total dissolvedmaximumreport only (mg/L) (alert, not enforceable)all yearMW4
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW4
Depth to water level ft below landsurfacemaximumreport only (ft) (alert, not enforceable)all yearMW4
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW4Q
Conductivitysingle readingreport only (umho/cm) (alert, not enforceable)all yearMW4Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW4Q
pHsingle readingreport only (SU) (alert, not enforceable)all yearMW4Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Cyanide, total [as CN]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Chromium, hexavalent [as Cr]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Copper, total [as Cu]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Zinc, total [as Zn]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Mercury, total [as Hg]single readingreport only (ug/L) (alert, not enforceable)all yearMW4Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW4Q
Coliform, total generalsingle readingreport only (#/100mL) (alert, not enforceable)all yearMW4Q

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/WA0020656 · MCP: https://passage-data.com/mcp