CDOT

NPDES permit COS000005 · Major NON-POTW · administratively continued, expires 2020-07-27 · 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 2020-07-27 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 6 forms filed late

Last period with anything received: 2025-12-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (114)

OutfallParameterStatisticLimitMonths
001ConductivityDAILY MX report only all year
001ConductivityDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedDAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Magnesium, total recoverableDAILY MX report only all year
001Magnesium, total recoverableDAILY MX report only all year
001Sodium, total recoverableDAILY MX report only all year
001Sodium, total recoverableDAILY MX report only all year
001Magnesium, dissolved [as Mg]DAILY MX report only all year
001Magnesium, dissolved [as Mg]DAILY MX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Chloride [as Cl]DAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Chromium, dissolved [as Cr]DAILY MX report only all year
001Chromium, dissolved [as Cr]DAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Chromium, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Zinc, potentially dissolvedDAILY MX report only all year
001Zinc, potentially dissolvedDAILY MX report only all year
001Copper, potentially dissolvedDAILY MX report only all year
001Copper, potentially dissolvedDAILY MX report only all year
001Arsenic, potentially dissolvedDAILY MX report only all year
001Arsenic, potentially dissolvedDAILY MX report only all year
001Cadmium, potentially dissolvdDAILY MX report only all year
001Cadmium, potentially dissolvdDAILY MX report only all year
001Manganese, potentially dissolvdDAILY MX report only all year
001Manganese, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvdDAILY MX report only all year
001Oil and greaseDAILY MX report only all year
001Oil and greaseDAILY MX report only all year
001Manganese, total recoverableDAILY MX report only all year
001Manganese, total recoverableDAILY MX report only all year
001Flow, maximum during 24 hr periodDAILY MX report only all year
001Flow, maximum during 24 hr periodDAILY MX report only all year
002ConductivityDAILY MX report only all year
002ConductivityDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Nitrogen, ammonia total [as N]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Phosphorus, total [as P]DAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Magnesium, total recoverableDAILY MX report only all year
002Magnesium, total recoverableDAILY MX report only all year
002Sodium, total recoverableDAILY MX report only all year
002Sodium, total recoverableDAILY MX report only all year
002Magnesium, dissolved [as Mg]DAILY MX report only all year
002Magnesium, dissolved [as Mg]DAILY MX report only all year
002Chloride [as Cl]DAILY MX report only all year
002Chloride [as Cl]DAILY MX report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Arsenic, total recoverableDAILY MX report only all year
002Selenium, total recoverableDAILY MX report only all year
002Selenium, total recoverableDAILY MX report only all year
002Chromium, dissolved [as Cr]DAILY MX report only all year
002Chromium, dissolved [as Cr]DAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Zinc, total recoverableDAILY MX report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Cadmium, total recoverableDAILY MX report only all year
002Chromium, total recoverableDAILY MX report only all year
002Chromium, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Copper, total recoverableDAILY MX report only all year
002Zinc, potentially dissolvedDAILY MX report only all year
002Zinc, potentially dissolvedDAILY MX report only all year
002Copper, potentially dissolvedDAILY MX report only all year
002Copper, potentially dissolvedDAILY MX report only all year
002Arsenic, potentially dissolvedDAILY MX report only all year
002Arsenic, potentially dissolvedDAILY MX report only all year
002Cadmium, potentially dissolvdDAILY MX report only all year
002Cadmium, potentially dissolvdDAILY MX report only all year
002Manganese, potentially dissolvdDAILY MX report only all year
002Manganese, potentially dissolvdDAILY MX report only all year
002Selenium, potentially dissolvdDAILY MX report only all year
002Selenium, potentially dissolvdDAILY MX report only all year
002Oil and greaseDAILY MX report only all year
002Oil and greaseDAILY MX report only all year
002Manganese, total recoverableDAILY MX report only all year
002Manganese, total recoverableDAILY MX report only all year
002Flow, maximum during 24 hr periodDAILY MX report only all year
002Flow, maximum during 24 hr periodDAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Solids, total suspendedDAILY MX report only all year
003Magnesium, total recoverableDAILY MX report only all year
003Magnesium, total recoverableDAILY MX report only all year
003Sodium, total recoverableDAILY MX report only all year
003Sodium, total recoverableDAILY MX report only all year
003Magnesium, dissolved [as Mg]DAILY MX report only all year
003Magnesium, dissolved [as Mg]DAILY MX report only all year
003Chloride [as Cl]DAILY MX report only all year
003Chloride [as Cl]DAILY MX report only all year
003Oil and greaseDAILY MX report only all year
003Oil and greaseDAILY MX report only all year
003Flow, maximum during 24 hr periodDAILY MX report only all year
003Flow, maximum during 24 hr periodDAILY MX report only 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