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US Army Corps of Engineers - Gavins Point Project

Federal facility (Electric Services), Crofton, Nebraska. NPDES permit NE0139777, in force until Dec 31, 2027. Last 12 months: no values over a limit, 4 required values missing. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form Q quarterly (8 values), outfall 002 form Q quarterly (8 values), outfall 003 form Q quarterly (8 values), outfall 004 form Q quarterly (8 values), outfall 005 form M quarterly (2 values), outfall 006 form M quarterly (2 values), and 7 more forms
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
June 2026
Oct 2024 – Sep 2025
0 values over a limit, 4 required values missing, 0 of 61 reports late

Limits in force (62)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year001
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year001
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]monthly averagereport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Hydrocarbons, petroleummonthly averagereport only (mg/L)all year001
Hydrocarbons, petroleumdaily maximumreport only (mg/L)all year001
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year002
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year002
pHdaily minimum≥ 6.5 SUall year002
pHdaily maximum≤ 9 SUall year002
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year002
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year002
Arsenic, total [as As]monthly averagereport only (mg/L)all year002
Arsenic, total [as As]daily maximumreport only (mg/L)all year002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year002
Hydrocarbons, petroleummonthly averagereport only (mg/L)all year002
Hydrocarbons, petroleumdaily maximumreport only (mg/L)all year002
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year003
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year003
pHdaily minimum≥ 6.5 SUall year003
pHdaily maximum≤ 9 SUall year003
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year003
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year003
Arsenic, total [as As]monthly averagereport only (mg/L)all year003
Arsenic, total [as As]daily maximumreport only (mg/L)all year003
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year003
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year003
Hydrocarbons, petroleummonthly averagereport only (mg/L)all year003
Hydrocarbons, petroleumdaily maximumreport only (mg/L)all year003
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year004
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year004
pHdaily minimum≥ 6.5 SUall year004
pHdaily maximum≤ 9 SUall year004
Sulfate, total [as SO4]monthly averagereport only (mg/L)all year004
Sulfate, total [as SO4]daily maximumreport only (mg/L)all year004
Arsenic, total [as As]monthly averagereport only (mg/L)all year004
Arsenic, total [as As]daily maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year004
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year004
Hydrocarbons, petroleummonthly averagereport only (mg/L)all year004
Hydrocarbons, petroleumdaily maximumreport only (mg/L)all year004
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year005
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year005
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year007
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year007
Temperature, water deg. fahrenheitmonthly averagereport only (deg F)all year008
Temperature, water deg. fahrenheitdaily maximumreport only (deg F)all year008
pHdaily minimumreport only (SU)all year008
pHdaily maximumreport only (SU)all year008
Solids, total suspendedmonthly averagereport only (mg/L)all year008
Solids, total suspendeddaily maximumreport only (mg/L)all year008
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year008
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year008

How strict are these limits?

Cited limits by parameter: Nebraska's rules and the federal ones.

Same industry: the 21 Electric Services permits in Nebraska.

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/NE0139777 · MCP: https://passage-data.com/mcp