Glenwood Springs City of

NPDES permit CO0048852 · Major POTW · administratively continued, expires 2020-02-29 · 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 2020-02-29 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)
2of 31 forms filed late

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

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 (69)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspended30DA AVG <= 30 mg/L all year
001Solids, total suspendedMX 7D AV <= 45 mg/L all year
001Nitrogen, total [as N]RM report only all year
001Nitrogen, ammonia total [as N]30DA AVG report only Jan
001Nitrogen, ammonia total [as N]30DA AVG report only Feb
001Nitrogen, ammonia total [as N]30DA AVG report only Mar
001Nitrogen, ammonia total [as N]30DA AVG report only Apr
001Nitrogen, ammonia total [as N]30DA AVG report only May
001Nitrogen, ammonia total [as N]30DA AVG report only Jun
001Nitrogen, ammonia total [as N]30DA AVG report only Jul
001Nitrogen, ammonia total [as N]30DA AVG report only Aug
001Nitrogen, ammonia total [as N]30DA AVG report only Sep
001Nitrogen, ammonia total [as N]30DA AVG report only Oct
001Nitrogen, ammonia total [as N]30DA AVG report only Nov
001Nitrogen, ammonia total [as N]30DA AVG report only Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Jan
001Nitrogen, ammonia total [as N]DAILY MX report only Feb
001Nitrogen, ammonia total [as N]DAILY MX report only Mar
001Nitrogen, ammonia total [as N]DAILY MX report only Apr
001Nitrogen, ammonia total [as N]DAILY MX report only May
001Nitrogen, ammonia total [as N]DAILY MX report only Jun
001Nitrogen, ammonia total [as N]DAILY MX report only Jul
001Nitrogen, ammonia total [as N]DAILY MX report only Aug
001Nitrogen, ammonia total [as N]DAILY MX report only Sep
001Nitrogen, ammonia total [as N]DAILY MX report only Oct
001Nitrogen, ammonia total [as N]DAILY MX report only Nov
001Nitrogen, ammonia total [as N]DAILY MX report only Dec
001Phosphorus, total [as P]RM report only all year
001Cyanide, total [as CN]DAILY MX report only all year
001Arsenic, total recoverable30DA AVG report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Cadmium, total [as Cd]DAILY MX report only all year
001Chromium, total [as Cr]DAILY MX report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Molybdenum, total [as Mo]DAILY MX report only all year
001Nickel, total [as Ni]DAILY MX report only all year
001Silver, total [as Ag]DAILY MX report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Selenium, total [as Se]DAILY MX report only all year
001Oil and greaseINST MAX <= 10 mg/L all year
001Total phenolsDAILY MX report only all year
001Flow, in conduit or thru treatment plant30DA AVG <= 2.34 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualINST MAX <= .5 mg/L all year
001E. coli30DA AVG <= 2000 #/100mL all year
001E. coliMX 7D AV <= 4000 #/100mL all year
001Solids, total dissolvedDAILY MX report only all year
001Solids, total dissolvedDAILY MX report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % 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
300Plant capacity fact. percent of capacity30DA AVG report only all year
300Plant capacity fact. percent of capacity30DA AVG report only all year
300BOD, 5-day, 20 deg. C30DA AVG report only all year
300BOD, 5-day, 20 deg. CMX 7D AV report only all year
300BOD, 5-day, 20 deg. C30DA AVG report only all year
300BOD, 5-day, 20 deg. CMX 7D AV report only all year
300Solids, total suspended30DA AVG report only all year
300Solids, total suspendedMX 7D AV report only all year
300Flow, in conduit or thru treatment plant30DA AVG report only all year
300Flow, in conduit or thru treatment plantDAILY 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