Lochbuie Town of

NPDES permit CO0047198 · Major POTW · administratively continued, expires 2017-08-31 · 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 2017-08-31 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 26 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 (51)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM 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, nitrate total [as N]DAILY MX report only Jan, Feb, Mar, Nov, Dec
001Phosphorus, total [as P]30DA AVG report only all year
001Chloride [as Cl]30DA AVG report only Jan, Feb, Mar, Nov, Dec
001Arsenic, total recoverable30DA AVG report only Jan, Feb, Mar, Nov, Dec
001Arsenic, total recoverable30DA AVG <= .02 ug/L Jan, Feb, Mar, Nov, Dec
001Arsenic, total recoverableDAILY MX report only Jan, Feb, Mar, Nov, Dec
001Arsenic, total recoverableDAILY MX report only Jan, Feb, Mar, Nov, Dec
001Copper, potentially dissolved30DA AVG report only Jan, Feb, Mar, Nov, Dec
001Copper, potentially dissolved30DA AVG <= 23 ug/L Jan, Feb, Mar, Nov, Dec
001Copper, potentially dissolvedDAILY MX report only Jan, Feb, Mar, Nov, Dec
001Copper, potentially dissolvedDAILY MX <= 39 ug/L Jan, Feb, Mar, Nov, Dec
001Selenium, potentially dissolvd30DA AVG report only Jan, Feb, Mar, Nov, Dec
001Selenium, potentially dissolvd30DA AVG <= 4.6 ug/L Jan, Feb, Mar, Nov, Dec
001Selenium, potentially dissolvdDAILY MX report only Jan, Feb, Mar, Nov, Dec
001Selenium, potentially dissolvdDAILY MX report only Jan, Feb, Mar, Nov, Dec
001Oil and greaseINST MAX <= 10 mg/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= 2 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual30DA AVG <= .011 mg/L Jan, Feb, Mar, Nov, Dec
001Chlorine, total residualINST MAX <= .019 mg/L Jan, Feb, Mar, Nov, Dec
001Chlorine, total residualINST MAX <= .5 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 126 #/100mL Jan, Feb, Mar, Nov, Dec
001E. coli30DA GM <= 2000 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coliMX 7D GM <= 252 #/100mL Jan, Feb, Mar, Nov, Dec
001E. coliMX 7D GM <= 4000 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Sulfide-hydrogen sulfide [undissociated]30DA AVG report only Jan, Feb, Mar, Nov, Dec
001Nonylphenol30DA AVG report only Mar, Dec
001NonylphenolDAILY MX report only Mar, Dec
001Mercury, total [as Hg]30DA AVG report only Mar, Dec
001Mercury, total [as Hg]30DA AVG <= .01 ug/L Mar, Dec
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Sulfate30DA AVG report only Jan, Feb, Mar, Nov, Dec
001Oil and grease visualINST MAX 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