Asphalt Specialties Co Inc

NPDES permit CO0049020 · Minor NON-POTW · administratively continued, expires 2022-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

This permit expired on 2022-09-30 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 19 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among CO permits in EPA's filings — check your permit).

Limits in force (34)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. C30DA AVG <= 37 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 140 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended30DA AVG <= 27 mg/L all year
001Solids, total suspendedDAILY MX <= 88 mg/L all year
001Nitrogen, ammonia total [as N]30DA AVG <= 4.9 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 10 mg/L all year
001Arsenic, total recoverable30DA AVG report only all year
001Iron, total recoverable30DA AVG report only all year
001Barium, total recoverable30DA AVG report only all year
001Manganese, dissolved [as Mn]30DA AVG report only all year
001Manganese, dissolved [as Mn]DAILY MX report only all year
001Zinc, total [as Zn]30DA AVG <= 110 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 200 ug/L all year
001Aluminum, total recoverable30DA AVG report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Molybdenum, total recoverable30DA AVG report only all year
001Oil and greaseINST MAX <= 10 mg/L all year
001Phenol30DA AVG <= .015 mg/L all year
001PhenolDAILY MX <= .026 mg/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= .4 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001p-Cresol30DA AVG <= .014 mg/L all year
001p-CresolDAILY MX <= .025 mg/L all year
001Benzoic acids, total30DA AVG <= .071 mg/L all year
001Benzoic acids, totalDAILY MX <= .12 mg/L all year
001.alpha.-Terpineol30DA AVG <= .016 mg/L all year
001.alpha.-TerpineolDAILY MX <= .033 mg/L all year
001Sulfate30DA AVG report only all year
001Boron, total30DA AVG report only all year
001Oil and grease visualINST MAX report only all year
001LC50 Static Renewal 48Hr Acute Ceriodaphnia dubiaMN VALUE >= 100 % all year
001LC50 Static Renewal 96Hr Acute Pimephales promelasMN VALUE >= 100 % all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states