Dolores Town of

NPDES permit CO0040509 · Minor POTW · administratively continued, expires 2018-08-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2018-08-31 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)
0of 36 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 (65)

OutfallParameterStatisticLimitMonths
002Flow, in conduit or thru treatment plant30DA AVG <= .47 MGD all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003BOD, 5-day, 20 deg. C30DA AVG <= 30 mg/L all year
003BOD, 5-day, 20 deg. CMX 7D AV <= 45 mg/L all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspended30DA AVG <= 75 mg/L all year
003Solids, total suspendedMX 7D AV <= 110 mg/L all year
003Nitrogen, ammonia total [as N]30DA AVG <= 15.9 mg/L Jun
003Nitrogen, ammonia total [as N]30DA AVG <= 16.2 mg/L Aug
003Nitrogen, ammonia total [as N]30DA AVG <= 16.2 mg/L Sep
003Nitrogen, ammonia total [as N]30DA AVG <= 15.9 mg/L Jul
003Nitrogen, ammonia total [as N]30DA AVG <= 38.8 mg/L Mar
003Nitrogen, ammonia total [as N]30DA AVG <= 38.8 mg/L Jan
003Nitrogen, ammonia total [as N]30DA AVG <= 16.2 mg/L Oct
003Nitrogen, ammonia total [as N]30DA AVG <= 38.8 mg/L Feb
003Nitrogen, ammonia total [as N]30DA AVG <= 15.9 mg/L May
003Nitrogen, ammonia total [as N]30DA AVG <= 38.8 mg/L Apr
003Nitrogen, ammonia total [as N]DAILY MX <= 135 mg/L Jun
003Nitrogen, ammonia total [as N]DAILY MX <= 105 mg/L Aug
003Nitrogen, ammonia total [as N]DAILY MX <= 55 mg/L Sep
003Nitrogen, ammonia total [as N]DAILY MX <= 120 mg/L Jul
003Nitrogen, ammonia total [as N]DAILY MX <= 85 mg/L Mar
003Nitrogen, ammonia total [as N]DAILY MX <= 38 mg/L Jan
003Nitrogen, ammonia total [as N]DAILY MX <= 44 mg/L Oct
003Nitrogen, ammonia total [as N]DAILY MX <= 75 mg/L Feb
003Nitrogen, ammonia total [as N]DAILY MX <= 35 mg/L Nov
003Nitrogen, ammonia total [as N]DAILY MX <= 340 mg/L May
003Nitrogen, ammonia total [as N]DAILY MX <= 31 mg/L Dec
003Nitrogen, ammonia total [as N]DAILY MX <= 190 mg/L Apr
003Oil and greaseINST MAX <= 10 mg/L all year
003Flow, in conduit or thru treatment plant30DA AVG <= .47 MGD all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Chlorine, total residual30DA AVG <= .14 mg/L all year
003Chlorine, total residualINST MAX <= .5 mg/L all year
003E. coli30DA GM <= 1920 #/100mL all year
003E. coliMX 7D GM <= 3840 #/100mL all year
003Solids, total dissolved30DA AVG report only all year
003Solids, total dissolvedDAILY MX report only all year
003Solids, total dissolved30DA AVG report only all year
003Solids, total dissolvedDAILY MX report only all year
003Mercury, total [as Hg]30DA AVG report only Jun, Dec
003BOD, 5-day, percent removalMO AV MN >= 85 % all year
003Solids, suspended percent removalMO AV MN >= 85 % all year
003Oil and grease visualINST MAX report only all year
004BOD, 5-day, 20 deg. C30DA AVG report only all year
004BOD, 5-day, 20 deg. CDAILY MX report only all year
004pHMINIMUM report only all year
004pHMAXIMUM report only all year
004Solids, total suspended30DA AVG report only all year
004Solids, total suspendedMX 7D AV report only all year
004Nitrogen, ammonia total [as N]30DA AVG report only all year
004Nitrogen, ammonia total [as N]DAILY MX report only all year
004E. coli30DA GM report only all year
004E. coliMX 7D GM report only 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