Bighorn Resort Holdings LLC — NPDES permit WY0096938: limits, due date and EPA's record

Industrial or other facility, (Unknown City), Wyoming. NPDES permit WY0096938, in force until Nov 30, 2028. Last 12 months: no values over a limit, 216 required values missing, 20 of 32 reports late. Source: EPA ECHO, Oct 22, 2026.

Limits in force (112)

Parameter	Statistic	Limit	Months	Outfall
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	001
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	weekly average	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	weekly average	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	001
BOD, 5-day, 20 deg. C	weekly average	≤ 45 mg/L	all year	001
BOD, 5-day, 20 deg. C	weekly average	≤ 45 mg/L	all year	001
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	001
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	001
pH	daily minimum	≥ 6.5 SU	all year	001
pH	daily minimum	≥ 6.5 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
pH	daily maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	report only (mg/L)	all year	001
Solids, total suspended	monthly average	report only (mg/L)	all year	001
Solids, total suspended	weekly average	report only (mg/L)	all year	001
Solids, total suspended	weekly average	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	monthly average	≤ 30 mg/L	all year	001
Solids, total suspended	weekly average	≤ 45 mg/L	all year	001
Solids, total suspended	weekly average	≤ 45 mg/L	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Solids, total suspended	daily maximum	report only (mg/L)	all year	001
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 13.3 mg/L	all year	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 13.3 mg/L	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 4.36 mg/L	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 4.36 mg/L	all year	001
Nitrite + Nitrate total [as N]	daily maximum	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Phosphate, ortho [as P]	daily maximum	report only (mg/L)	all year	001
Chlorine, total residual	daily maximum	≤ .011 mg/L	all year	001
Chlorine, total residual	daily maximum	≤ .011 mg/L	all year	001
E. coli	monthly average	≤ 630 CFU/100mL	May–Sep	001
E. coli	monthly average	≤ 128 CFU/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec	001
E. coli	weekly average	≤ 630 CFU/100mL	May–Sep	001
E. coli	weekly average	≤ 298 CFU/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec	001
Flow	monthly average	report only (MGD)	all year	001
Flow	monthly average	report only (MGD)	all year	001
Flow	weekly average	report only (MGD)	all year	001
Flow	weekly average	report only (MGD)	all year	001
Flow	daily maximum	report only (MGD)	all year	001
Flow	daily maximum	report only (MGD)	all year	001
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	all year	001
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	≥ 85 %	all year	001
Solids, suspended percent removal	monthly average minimum	≥ 85 %	all year	001
Produced water, oil and grease	daily maximum	≤ 10 mg/L	all year	001
Produced water, oil and grease	daily maximum	≤ 10 mg/L	all year	001
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	002
Temperature, water deg. centigrade	daily maximum	report only (deg C)	all year	002
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	weekly average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	weekly average	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	002
BOD, 5-day, 20 deg. C	monthly average	≤ 30 mg/L	all year	002
BOD, 5-day, 20 deg. C	weekly average	≤ 45 mg/L	all year	002
BOD, 5-day, 20 deg. C	weekly average	≤ 45 mg/L	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	002
pH	daily minimum	≥ 6.5 SU	all year	002
pH	daily minimum	≥ 6.5 SU	all year	002
pH	daily maximum	≤ 9 SU	all year	002
pH	daily maximum	≤ 9 SU	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002
Solids, total suspended	monthly average	report only (mg/L)	all year	002
Solids, total suspended	weekly average	report only (mg/L)	all year	002
Solids, total suspended	weekly average	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	monthly average	≤ 30 mg/L	all year	002
Solids, total suspended	weekly average	≤ 45 mg/L	all year	002
Solids, total suspended	weekly average	≤ 45 mg/L	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Solids, total suspended	daily maximum	report only (mg/L)	all year	002
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 13.3 mg/L	all year	002
Nitrogen, ammonia total [as N]	daily maximum	≤ 13.3 mg/L	all year	002
Nitrogen, ammonia total [as N]	monthly average	≤ 4.36 mg/L	all year	002
Nitrogen, ammonia total [as N]	monthly average	≤ 4.36 mg/L	all year	002
Nitrite + Nitrate total [as N]	daily maximum	report only (mg/L)	all year	002
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	002
Phosphate, ortho [as P]	daily maximum	report only (mg/L)	all year	002
Chlorine, total residual	daily maximum	≤ .011 mg/L	all year	002
Chlorine, total residual	daily maximum	≤ .011 mg/L	all year	002
E. coli	monthly average	≤ 128 CFU/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec	002
E. coli	monthly average	≤ 630 CFU/100mL	May–Sep	002
E. coli	weekly average	≤ 299 CFU/100mL	Jan, Feb, Mar, Apr, Oct, Nov, Dec	002
E. coli	weekly average	≤ 630 CFU/100mL	May–Sep	002
Flow	monthly average	report only (MGD)	all year	002
Flow	monthly average	report only (MGD)	all year	002
Flow	weekly average	report only (MGD)	all year	002
Flow	weekly average	report only (MGD)	all year	002
Flow	daily maximum	report only (MGD)	all year	002
Flow	daily maximum	report only (MGD)	all year	002
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	all year	002
BOD, 5-day, percent removal	monthly average minimum	≥ 85 %	all year	002
Solids, suspended percent removal	monthly average minimum	≥ 85 %	all year	002
Solids, suspended percent removal	monthly average minimum	≥ 85 %	all year	002
Produced water, oil and grease	daily maximum	≤ 10 mg/L	all year	002
Produced water, oil and grease	daily maximum	≤ 10 mg/L	all year	002

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/WY0096938 · MCP: https://passage-data.com/mcp