Aspen Park Metropolitan District

NPDES permit CO0000001 · Minor POTW · administratively continued, expires 2017-10-31 · 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 2017-10-31 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)
0of 37 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 (63)

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
001pHMA <= 8.5 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 <= 5.2 mg/L Jan
001Nitrogen, ammonia total [as N]30DA AVG <= 5.2 mg/L Feb
001Nitrogen, ammonia total [as N]30DA AVG <= 5 mg/L Mar
001Nitrogen, ammonia total [as N]30DA AVG <= 5 mg/L Apr
001Nitrogen, ammonia total [as N]30DA AVG <= 5 mg/L May
001Nitrogen, ammonia total [as N]30DA AVG <= 4.6 mg/L Jun
001Nitrogen, ammonia total [as N]30DA AVG <= 3.9 mg/L Jul
001Nitrogen, ammonia total [as N]30DA AVG <= 4.1 mg/L Aug
001Nitrogen, ammonia total [as N]30DA AVG <= 4 mg/L Sep
001Nitrogen, ammonia total [as N]30DA AVG <= 4.5 mg/L Oct
001Nitrogen, ammonia total [as N]30DA AVG <= 5 mg/L Nov
001Nitrogen, ammonia total [as N]30DA AVG <= 5.1 mg/L 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
001Nitrogen, ammonia total [as N]ROLL AVG <= 2 mg/L all year
001Nitrogen, inorganic totalDAILY MX <= 10 mg/L all year
001Nitrogen, inorganic totalROLL AVG <= 8 mg/L all year
001Phosphorus, total [as P]30DA AVG <= .5 mg/L all year
001Phosphorus, total [as P]30DA AVG report only all year
001Phosphorus, total [as P]30DA AVG <= 40 lb/yr all year
001Chloride [as Cl]30DA AVG report only all year
001Oil and greaseINST MAX <= 10 mg/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= .025 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residual30DA AVG <= .011 mg/L all year
001Chlorine, total residualINST MAX <= .019 mg/L all year
001Chlorine, total residualROLL AVG <= .0017 mg/L all year
001Solids, total dissolved30DA AVG report only all year
001Coliform, total general30DA GM <= 2.2 #/100mL all year
001Coliform, total generalMX 7D GM <= 23 #/100mL all year
001Coliform, total generalROLL AVG report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Sulfate30DA AVG report only all year
001Oil and grease visualINST MAX report only all year
002Flow, in conduit or thru treatment plant30DA AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX 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