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Iron Mountain Hot Springs LLC

Amusement And Recreation, Glenwood Springs, Colorado. NPDES permit CO0048577 expired Feb 29, 2020; its limits still apply. Last 12 months: over a limit once (last May 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (12 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

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

Period endingParameterReportedLimitOver by
May 2026Solids, total suspended, 30-day average31 mg/L≤ 30 mg/L3%

Limits in force (12)

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 average≤ 95594 mg/Lall year
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year
Flow, in conduit or thru treatment plant30-day average≤ .9 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
Chlorine, total residual30-day averagereport only (mg/L)all year
Chlorine, total residualinstantaneous maximum≤ .5 mg/Lall year
Solids, total dissolveddaily maximumreport only (mg/L)all year
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)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/CO0048577 · MCP: https://passage-data.com/mcp