Superior Metropolitan District No 1

NPDES permit CO0043010 · Major POTW · administratively continued, expires 2014-07-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2014-07-31 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

3values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-07-31. Most often over: E. coli, thermotol, MF, MTEC (3).

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 (91)

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, ammonia total [as N]30DA AVG <= 3.5 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 3.3 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 3.6 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 5.2 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 3.4 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 5.5 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 3.9 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 5.2 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 4.7 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 3.7 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 4.1 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 5.6 mg/L Dec
001Nitrogen, ammonia total [as N]DAILY MX <= 24 mg/L Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L Aug
001Nitrogen, ammonia total [as N]DAILY MX <= 28 mg/L Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 28 mg/L Jul
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L Jan
001Nitrogen, ammonia total [as N]DAILY MX <= 29 mg/L Oct
001Nitrogen, ammonia total [as N]DAILY MX <= 26 mg/L Feb
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L Nov
001Nitrogen, ammonia total [as N]DAILY MX <= 22 mg/L May
001Nitrogen, ammonia total [as N]DAILY MX <= 22 mg/L Apr
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L Dec
001Iron, total recoverable30DA GEO <= 1000 ug/L all year
001Chromium, hexavalent [as Cr]30DA AVG <= 11 ug/L all year
001Chromium, hexavalent [as Cr]DAILY MX <= 16 ug/L all year
001Chromium, total recoverable30DA AVG report only all year
001Chromium, total recoverableDAILY MX report only all year
001Zinc, potentially dissolved30DA AVG <= 258 ug/L all year
001Zinc, potentially dissolvedDAILY MX <= 256 ug/L all year
001Copper, potentially dissolved30DA AVG report only all year
001Copper, potentially dissolved30DA AVG <= 20 ug/L all year
001Copper, potentially dissolvedDAILY MX report only all year
001Copper, potentially dissolvedDAILY MX <= 32 ug/L all year
001Chromium, hexavalent potentially disolvd30DA AVG report only all year
001Chromium, hexavalent potentially disolvd30DA AVG <= 11 ug/L all year
001Chromium, hexavalent potentially disolvdDAILY MX report only all year
001Chromium, hexavalent potentially disolvdDAILY MX <= 16 ug/L all year
001Nickel, potentially dissolvd30DA AVG <= 113 ug/L all year
001Nickel, potentially dissolvdDAILY MX <= 1020 ug/L all year
001Selenium, potentially dissolvd30DA AVG report only all year
001Selenium, potentially dissolvd30DA AVG <= 4.6 ug/L all year
001Selenium, potentially dissolvdDAILY MX report only all year
001Selenium, potentially dissolvdDAILY MX <= 18 ug/L all year
001Oil and greaseINST MAX <= 10 mg/L all year
001E. coli, thermotol, MF, MTEC30DA GM <= 126 #/100mL all year
001E. coli, thermotol, MF, MTECMX 7D GM <= 252 #/100mL all year
001Flow, in conduit or thru treatment plant30DA AVG <= 2.2 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual30DA AVG report only all year
001Chlorine, total residual30DA AVG <= .011 mg/L all year
001Chlorine, total residualINST MAX <= .5 mg/L all year
001Chlorine, total residualINST MAX <= .019 mg/L all year
001Cyanide, free availableDAILY MX report only all year
001Cyanide, free availableDAILY MX <= 5 ug/L all year
001Toxicity [chronic], Ceriodaphnia dubiaSINGSAMP report only all year
001Toxicity [chronic], Ceriodaphnia dubiaSINGSAMP report only all year
001Toxicity [chronic], Ceriodaphnia dubiaMN VALUE report only all year
001Toxicity [chronic], Ceriodaphnia dubiaMN VALUE report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]SINGSAMP report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]SINGSAMP report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MN VALUE report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MN VALUE report only all year
001Mercury, total [as Hg]30DA AVG report only all year
001Mercury, total [as Hg]30DA AVG <= .01 ug/L 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
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaSINGSAMP report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaSINGSAMP report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE report only all year
001%Effect Static Renewal 7 Day Chronic Ceriodaphnia dubiaMN VALUE >= 100 % all year
001%Effect Static Renewal 7Day Chronic Pimephales promelasSINGSAMP report only all year
001%Effect Static Renewal 7Day Chronic Pimephales promelasSINGSAMP report only all year
001%Effect Static Renewal 7Day Chronic Pimephales promelasMN VALUE report only all year
001%Effect Static Renewal 7Day Chronic Pimephales promelasMN VALUE >= 100 % 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