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Asphalt Specialties Co Inc

Refuse Systems, Henderson, Colorado. NPDES permit CO0049020 expired Sep 30, 2022; 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 (22 values), form Q quarterly (10 values), form W quarterly (2 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 20 reports late

Limits in force (34)

ParameterStatisticLimitMonths
BOD, 5-day, 20 deg. C30-day average≤ 37 mg/Lall year
BOD, 5-day, 20 deg. Cdaily maximum≤ 140 mg/Lall year
pHminimum≥ 6.5 SUall year
pHmaximum≤ 9 SUall year
Solids, total suspended30-day average≤ 27 mg/Lall year
Solids, total suspendeddaily maximum≤ 88 mg/Lall year
Nitrogen, ammonia total [as N]30-day average≤ 4.9 mg/Lall year
Nitrogen, ammonia total [as N]daily maximum≤ 10 mg/Lall year
Arsenic, total recoverable30-day averagereport only (ug/L)all year
Iron, total recoverable30-day averagereport only (ug/L)all year
Barium, total recoverable30-day averagereport only (ug/L)all year
Manganese, dissolved [as Mn]30-day averagereport only (ug/L)all year
Manganese, dissolved [as Mn]daily maximumreport only (ug/L)all year
Zinc, total [as Zn]30-day average≤ 110 ug/Lall year
Zinc, total [as Zn]daily maximum≤ 200 ug/Lall year
Aluminum, total recoverable30-day averagereport only (ug/L)all year
Aluminum, total recoverabledaily maximumreport only (ug/L)all year
Molybdenum, total recoverable30-day averagereport only (ug/L)all year
Oil and greaseinstantaneous maximum≤ 10 mg/Lall year
Phenol30-day average≤ .015 mg/Lall year
Phenoldaily maximum≤ .026 mg/Lall year
Flow, in conduit or thru treatment plant30-day average≤ .4 MGDall year
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year
p-Cresol30-day average≤ .014 mg/Lall year
p-Cresoldaily maximum≤ .025 mg/Lall year
Benzoic acids, total30-day average≤ .071 mg/Lall year
Benzoic acids, totaldaily maximum≤ .12 mg/Lall year
.alpha.-Terpineol30-day average≤ .016 mg/Lall year
.alpha.-Terpineoldaily maximum≤ .033 mg/Lall year
Sulfate30-day averagereport only (mg/L)all year
Boron, total30-day averagereport only (mg/L)all year
Oil and grease visualinstantaneous maximumreport only (abst=0;prst=1)all year
LC50 Static Renewal 48Hr Acute Ceriodaphnia dubiaminimum 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 5 Refuse Systems permits in Colorado.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/CO0049020 · MCP: https://passage-data.com/mcp