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The Viking Resort LLC DBA Trailhead Lodge

Sewerage Systems, Laramie, Wyoming. NPDES permit WY0052451, in force until Dec 31, 2029. Last 12 months: no values over a limit, 34 required values missing, 3 of 28 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form AA yearly, outfall 001 form MQ quarterly, outfall 001 form QQ quarterly, outfall UMP1 form MP quarterly
Last report on file
June 2026
Oct 2024 – Sep 2025
33 values over a limit, 121 required values missing, 19 of 35 reports late

Limits in force (49)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily maximumreport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly average≤ 30 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cweekly average≤ 45 mg/Lall year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
BOD, 5-day, 20 deg. Cweekly averagereport only (mg/L)all year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous minimum≥ 6.5 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
pHinstantaneous maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedmonthly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Solids, total suspendedweekly averagereport only (mg/L)all year001
Nitrogen, ammonia total [as N]monthly average≤ 28.9 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 23.7 mg/LMay–Sep001
Nitrogen, ammonia total [as N]daily maximum≤ 88.45 mg/LJan, Feb, Mar, Apr, Oct, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 116.4 mg/LMay–Sep001
Nitrite + Nitrate total [as N]daily maximumreport only (mg/L)all year001
Durationmonthly totalreport only (d/mo)all year001
Durationmonthly totalreport only (d/mo)all year001
Chlorine, total residualdaily maximum≤ .12 mg/Lall year001
Chlorine, total residualmonthly average≤ .07 mg/Lall year001
E. colimonthly average≤ 4189 MPN/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
E. colimonthly average≤ 837 MPN/100mLMay–Sep001
E. colidaily maximum≤ 4189 MPN/100mLJan, Feb, Mar, Apr, Oct, Nov, Dec001
E. colidaily maximum≤ 1981 MPN/100mLMay–Sep001
Phosphorus, Totaldaily maximumreport only (mg/L)all year001
Solids, total dissolveddaily maximumreport only (mg/L)all year001
Flowmonthly average≤ .002 MGDall year001
Flowmonthly average≤ .002 MGDall year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
BOD, 5-day, percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Solids, suspended percent removalmonthly average minimum≥ 85 %all year001
Produced water, oil and greasedaily maximum≤ 10 mg/Lall year001
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearUMP1
Temperature, water deg. centigradedaily maximumreport only (deg C)all yearUMP1
pHinstantaneous minimumreport only (SU)all yearUMP1
pHinstantaneous minimumreport only (SU)all yearUMP1
pHinstantaneous maximumreport only (SU)all yearUMP1
pHinstantaneous maximumreport only (SU)all yearUMP1

How strict are these limits?

Cited limits by parameter: Wyoming'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/WY0052451 · MCP: https://passage-data.com/mcp