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Rosebud Casino and Hotel WWTF

Sewage treatment plant, Valentine, South Dakota. NPDES permit SD0034584, in force until Sep 30, 2028. Last 12 months: over a limit 47 times (last August 2026), 44 required values missing, 1 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A quarterly (23 values), outfall 001I form I quarterly (2 values)
Renewal application due
Apr 3, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
65 values over a limit, 268 required values missing, 16 of 24 reports late

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

All 47 values over a limit
Period endingParameterReportedLimitOver by
October 2025Solids, total suspended, 7-day average48 mg/L≤ 45 mg/L7%
November 2025BOD, 5-day, 20 deg. C, 30-day average48 mg/L≤ 30 mg/L60%
November 2025Solids, total suspended, 30-day average48 mg/L≤ 30 mg/L60%
December 2025BOD, 5-day, 20 deg. C, 30-day average81 mg/L≤ 30 mg/L170%
December 2025BOD, 5-day, 20 deg. C, 30-day average81 mg/L≤ 30 mg/L170%
December 2025BOD, 5-day, 20 deg. C, 7-day average81 mg/L≤ 45 mg/L80%
December 2025BOD, 5-day, 20 deg. C, 7-day average81 mg/L≤ 45 mg/L80%
December 2025Oil and grease visual, instantaneous maximum< 2 N=0;Y=1≤ 0 N=0;Y=1—
December 2025Solids, suspended percent removal, minimum47.83 %≥ 85 %248%
December 2025Solids, suspended percent removal, minimum47.83 %≥ 85 %248%
December 2025Solids, total suspended, 30-day average84 mg/L≤ 30 mg/L180%
December 2025Solids, total suspended, 7-day average84 mg/L≤ 45 mg/L87%
January 2026BOD, 5-day, 20 deg. C, 30-day average44 mg/L≤ 30 mg/L47%
January 2026BOD, 5-day, percent removal, minimum6.38 %≥ 85 %524%
January 2026Solids, total suspended, 30-day average56 mg/L≤ 30 mg/L87%
January 2026Solids, total suspended, 7-day average56 mg/L≤ 45 mg/L24%
February 2026BOD, 5-day, 20 deg. C, 30-day average580 mg/L≤ 30 mg/L1833%
February 2026BOD, 5-day, percent removal, minimum12 %≥ 85 %487%
February 2026Solids, suspended percent removal, minimum10 %≥ 85 %500%
February 2026Solids, total suspended, 7-day average410 mg/L≤ 45 mg/L811%
March 2026BOD, 5-day, 20 deg. C, 30-day average670 mg/L≤ 30 mg/L2133%
March 2026Solids, total suspended, 30-day average350 mg/L≤ 30 mg/L1067%
May 2026BOD, 5-day, 20 deg. C, 30-day average91 mg/L≤ 30 mg/L203%
May 2026BOD, 5-day, 20 deg. C, 7-day average91 mg/L≤ 45 mg/L102%
May 2026BOD, 5-day, percent removal, minimum69.67 %≥ 85 %102%
May 2026E. coli, 30-day geometric mean199 #/100mL≤ 126 #/100mL58%
May 2026Oil and grease visual, instantaneous maximum2 N=0;Y=1≤ 0 N=0;Y=1—
May 2026Solids, suspended percent removal, minimum13.04 %≥ 85 %480%
May 2026Solids, total suspended, 30-day average200 mg/L≤ 30 mg/L567%
May 2026Solids, total suspended, 7-day average200 mg/L≤ 45 mg/L344%
June 2026BOD, 5-day, 20 deg. C, 30-day average48 mg/L≤ 30 mg/L60%
June 2026BOD, 5-day, 20 deg. C, 7-day average48 mg/L≤ 45 mg/L7%
June 2026BOD, 5-day, percent removal, minimum48 %≥ 85 %247%
June 2026Floating solids, waste or visible foam-visual, instantaneous maximum1 N=0;Y=1≤ 0 N=0;Y=1—
June 2026Solids, total suspended, 30-day average64 mg/L≤ 30 mg/L113%
June 2026Solids, total suspended, 7-day average64 mg/L≤ 45 mg/L42%
July 2026BOD, 5-day, 20 deg. C, 30-day average141 mg/L≤ 30 mg/L370%
July 2026BOD, 5-day, 20 deg. C, 7-day average141 mg/L≤ 45 mg/L213%
July 2026E. coli, 30-day geometric mean24200 #/100mL≤ 126 #/100mL19106%
July 2026E. coli, daily maximum24200 #/100mL≤ 410 #/100mL5802%
July 2026Floating solids, waste or visible foam-visual, instantaneous maximum1 N=0;Y=1≤ 0 N=0;Y=1—
July 2026Solids, total suspended, 30-day average400 mg/L≤ 30 mg/L1233%
July 2026Solids, total suspended, 7-day average400 mg/L≤ 45 mg/L789%
August 2026BOD, 5-day, percent removal, minimum40 %≥ 85 %300%
August 2026Solids, suspended percent removal, minimum-550 %≥ 85 %4233%
August 2026Solids, total suspended, 30-day average52 mg/L≤ 30 mg/L73%
August 2026Solids, total suspended, 7-day average52 mg/L≤ 45 mg/L16%

Limits in force (25)

ParameterStatisticLimitMonthsOutfall
Temperature, water deg. centigrademinimumreport only (deg C)all year001
Temperature, water deg. centigrademaximumreport only (deg C)all year001
BOD, 5-day, 20 deg. C30-day average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. C7-day average≤ 45 mg/Lall year001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspended30-day average≤ 30 mg/Lall year001
Solids, total suspended7-day average≤ 45 mg/Lall year001
Oil & Greasedaily maximum≤ 10 mg/Lall year001
Nitrogen, total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]30-day averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all year001
Phosphorus, total [as P]30-day averagereport only (mg/L)all year001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Floating solids, waste or visible foam-visualinstantaneous maximum≤ 0 N=0;Y=1all year001
E. coli30-day geometric mean≤ 126 #/100mLall year001
E. colidaily maximum≤ 410 #/100mLall year001
Flow30-day averagereport only (gal/d)all year001
Flowdaily maximumreport only (gal/d)all year001
BOD, 5-day, percent removalminimum≥ 85 %all year001
Solids, suspended percent removalminimum≥ 85 %all year001
Oil and grease visualinstantaneous maximum≤ 0 N=0;Y=1all year001
BOD, 5-day, 20 deg. C30-day averagereport only (mg/L) (alert, not enforceable)all year001I
Solids, total suspended30-day averagereport only (mg/L)all year001I

How strict are these limits?

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

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/SD0034584 · MCP: https://passage-data.com/mcp