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Ogilby Corp dba Avalanche Ranch Cabins and Hotsprings

Amusement And Recreation, Pitkin County, Colorado. NPDES permit CO0048823 expired Apr 30, 2025; its limits still apply. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (10 values), form Q quarterly (31 values), form W twice a year
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 1 of 18 reports late

Limits in force (44)

ParameterStatisticLimitMonths
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspended30-day average≤ 30 mg/Lall year
Solids, total suspendedmaximum 7-day average≤ 45 mg/Lall year
Chloride [as Cl]30-day averagereport only (mg/L)all year
Arsenic, total recoverable30-day average≤ 7 ug/Lall year
Iron, total recoverable30-day averagereport only (ug/L)all year
Iron, dissolved [as Fe]30-day averagereport only (ug/L)all year
Manganese, dissolved [as Mn]30-day averagereport only (ug/L)all year
Molybdenum, total recoverable30-day averagereport only (ug/L)all year
Zinc, potentially dissolved30-day averagereport only (ug/L)all year
Zinc, potentially dissolveddaily maximumreport only (ug/L)all year
Silver, potentially dissolved30-day averagereport only (ug/L)all year
Silver, potentially dissolveddaily maximumreport only (ug/L)all year
Copper, potentially dissolved30-day averagereport only (ug/L)all year
Copper, potentially dissolveddaily maximumreport only (ug/L)all year
Cadmium, potentially dissolvd30-day averagereport only (ug/L)all year
Cadmium, potentially dissolvddaily maximumreport only (ug/L)all year
Chromium, trivalent, potentially dissolvd30-day averagereport only (ug/L)all year
Lead, potentially dissolvd30-day averagereport only (ug/L)all year
Lead, potentially dissolvddaily maximumreport only (ug/L)all year
Manganese, potentially dissolvd30-day averagereport only (ug/L)all year
Manganese, potentially dissolvddaily maximumreport only (ug/L)all year
Nickel, potentially dissolvd30-day averagereport only (ug/L)all year
Nickel, potentially dissolvddaily maximumreport only (ug/L)all year
Selenium, potentially dissolvd30-day averagereport only (ug/L)all year
Selenium, potentially dissolvddaily maximumreport only (ug/L)all year
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year
Chromium, trivalent total recoverabledaily maximumreport only (ug/L)all year
Flow, in conduit or thru treatment plant30-day average≤ .16 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residual30-day average≤ .5 mg/Lall year
Chlorine, total residualinstantaneous maximum≤ .5 mg/Lall year
E. coli30-day geometric mean≤ 2000 #/100mLall year
E. colimaximum 7-day geometric mean≤ 4000 #/100mLall year
Sulfide-hydrogen sulfide [undissociated]30-day average≤ .7 mg/Lall year
Sulfide-hydrogen sulfide [undissociated]30-day average≤ .36 mg/Lall year
Solids, total dissolved30-day averagereport only (mg/L)all year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Mercury, total [as Hg]30-day averagereport only (ug/L)all year
Sulfate30-day averagereport only (mg/L)all year
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year
LC50 Static Renewal 48Hr Acute Daphnia magnaminimum value≥ 100 %all year
LC50 Static Renewal 96Hr Acute Pimephales promelasminimum value≥ 100 %all year

How strict are these limits?

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

Same industry: the 8 Amusement and Recreation Services permits in Colorado.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CO0048823 · MCP: https://passage-data.com/mcp