Morrison Town of

NPDES permit CO0041432 · Minor POTW · administratively continued, expires 2014-10-31 · 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 2014-10-31 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)
3of 33 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 (101)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMX WK AV report only all year
001Temperature, water deg. centigradeDAILY MX report only all year
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, ammonia total [as N]30DA AVG <= 13 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 8.8 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 10 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 7.7 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 12 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 8.7 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 11 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 8.6 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 8.2 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 8.7 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 10 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 8 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 35 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 31 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 24 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 25 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 33 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 31 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 40 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 28 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 32 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 41 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 22 mg/L Dec
001Phosphorus, total [as P]30DA AVG <= 1 mg/L all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO TOTAL report only all year
001Phosphorus, total [as P]ANNL TOT <= 600 lb/yr all year
001Oil and greaseINST MAX <= 10 mg/L all year
001E. coli, thermotol, MF, MTEC30DA GM report only all year
001E. coli, thermotol, MF, MTEC30DA GM <= 169 #/100mL all year
001E. coli, thermotol, MF, MTECMX 7D GM report only all year
001E. coli, thermotol, MF, MTECMX 7D GM <= 338 #/100mL all year
001Flow, in conduit or thru treatment plant30DA AVG <= .2 MGD all year
001Chlorine, total residual30DA AVG <= .018 mg/L all year
001Chlorine, total residualINST MAX <= .025 mg/L all year
001Coliform, fecal general30DAVGEO <= 4806 #/100mL all year
001Coliform, fecal generalMV <= 9612 #/100mL 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
002BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
002BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspended30DA AVG <= 30 mg/L all year
002Solids, total suspendedMX 7D AV <= 45 mg/L all year
002Nitrogen, ammonia total [as N]30DA AVG <= 30 mg/L Jun
002Nitrogen, ammonia total [as N]30DA AVG <= 24 mg/L Aug
002Nitrogen, ammonia total [as N]30DA AVG <= 30 mg/L Sep
002Nitrogen, ammonia total [as N]30DA AVG <= 28 mg/L Mar
002Nitrogen, ammonia total [as N]30DA AVG <= 19 mg/L Jul
002Nitrogen, ammonia total [as N]30DA AVG <= 39 mg/L Jan
002Nitrogen, ammonia total [as N]30DA AVG <= 27 mg/L Feb
002Nitrogen, ammonia total [as N]30DA AVG report only Oct
002Nitrogen, ammonia total [as N]30DA AVG <= 39 mg/L Nov
002Nitrogen, ammonia total [as N]30DA AVG <= 40 mg/L May
002Nitrogen, ammonia total [as N]30DA AVG report only Apr
002Nitrogen, ammonia total [as N]30DA AVG <= 30 mg/L Dec
002Nitrogen, ammonia total [as N]DAILY MX report only Jun
002Nitrogen, ammonia total [as N]DAILY MX report only Aug
002Nitrogen, ammonia total [as N]DAILY MX report only Sep
002Nitrogen, ammonia total [as N]DAILY MX report only Mar
002Nitrogen, ammonia total [as N]DAILY MX report only Jul
002Nitrogen, ammonia total [as N]DAILY MX report only Jan
002Nitrogen, ammonia total [as N]DAILY MX report only Feb
002Nitrogen, ammonia total [as N]DAILY MX report only Oct
002Nitrogen, ammonia total [as N]DAILY MX report only Nov
002Nitrogen, ammonia total [as N]DAILY MX report only May
002Nitrogen, ammonia total [as N]DAILY MX <= 41 mg/L Apr
002Nitrogen, ammonia total [as N]DAILY MX report only Dec
002Phosphorus, total [as P]30DA AVG <= 1 mg/L all year
002Phosphorus, total [as P]DAILY MX report only all year
002Phosphorus, total [as P]MO TOTAL report only all year
002Phosphorus, total [as P]ANNL TOT <= 600 lb/yr all year
002Oil and greaseINST MAX <= 10 mg/L all year
002E. coli, thermotol, MF, MTEC30DA GM report only all year
002E. coli, thermotol, MF, MTECMX 7D GM report only all year
002Flow, in conduit or thru treatment plant30DA AVG <= .2 MGD all year
002Chlorine, total residualINST MAX <= .074 mg/L all year
002Coliform, fecal general30DAVGEO <= 6000 #/100mL all year
002Coliform, fecal generalMV <= 12000 #/100mL all year
002BOD, 5-day, percent removalMO AV MN >= 85 % all year
002Solids, suspended percent removalMO AV MN >= 85 % all year
002Oil and grease visualINST MAX 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