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Usbor-Flaming Gorge Dam

Federal facility (Sewerage Systems), Dutch John, Utah. NPDES permit UT0020338, in force until Nov 30, 2027. Last 12 months: no values over a limit, 1 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (16 values), outfall SUM form A yearly
Renewal application due
Jun 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 13 reports late

Limits in force (20)

ParameterStatisticLimitMonthsOutfall
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmaximum monthly average≤ 25 mg/Lall year001
BOD, 5-day, 20 deg. Cmaximum 7-day average≤ 35 mg/Lall year001
pHdaily minimum≥ 6.5 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspended30-day averagereport only (mg/L)all year001
Solids, total suspendedmaximum monthly average≤ 25 mg/Lall year001
Solids, total suspendedmaximum 7-day average≤ 35 mg/Lall year001
Oil & Greasedaily maximum≤ 10 mg/Lall year001
Flow, in conduit or thru treatment plantmaximumreport only (MGD)all year001
Flow, in conduit or thru treatment plantmaximum monthly average≤ .0064 MGDall year001
E. colimaximum monthly average≤ 126 #/100mLall year001
E. colimaximum weekly average≤ 157 #/100mLall year001
BOD, 5-day, percent removalminimum % removal≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Oil and grease visualdaily maximum≤ 0 N=0;Y=1all year001
Chlorine, total residualannual totalreport only (mg/L)all yearSUM
Solids, total dissolvedannual totalreport only (mg/L)all yearSUM
Solids, total dissolvedannual totalreport only (mg/L)all yearSUM
Solids, total dissolvedannual total≤ 400 mg/Lall yearSUM

How strict are these limits?

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

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/UT0020338 · MCP: https://passage-data.com/mcp