Frederick Town of

NPDES permit CO0049076 · Minor NON-POTW · effective, expires 2031-08-31 · EPA's file as of 2026-09-23

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.

EPA's record, 2025-09-01 to 2026-08-31

EPA's file shows no filings for this permit in this window. That is a statement about the file, not about the facility.

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 (48)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Aluminum, total recoverable30DA AVG <= 1059 ug/L all year
001Aluminum, total recoverableDAILY MX <= 7419 ug/L all year
001Flow, in conduit or thru treatment plant30DA AVG <= .03878 MGD all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Sulfate30DA AVG report only all year
001SulfateDAILY MX report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Aluminum, total recoverable30DA AVG <= 1059 ug/L all year
002Aluminum, total recoverableDAILY MX <= 7419 ug/L all year
002Flow, in conduit or thru treatment plant30DA AVG <= .03878 MGD all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Sulfate30DA AVG report only all year
002SulfateDAILY MX report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Aluminum, total recoverable30DA AVG <= 1059 ug/L all year
003Aluminum, total recoverableDAILY MX <= 7419 ug/L all year
003Flow, in conduit or thru treatment plant30DA AVG <= .03878 MGD all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Sulfate30DA AVG report only all year
003SulfateDAILY MX report only all year
004pHMINIMUM >= 6.5 SU all year
004pHMAXIMUM <= 9 SU all year
004Aluminum, total recoverable30DA AVG <= 1059 ug/L all year
004Aluminum, total recoverableDAILY MX <= 7419 ug/L all year
004Flow, in conduit or thru treatment plant30DA AVG <= .03878 MGD all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Sulfate30DA AVG report only all year
004SulfateDAILY MX report only all year
005pHMINIMUM >= 6.5 SU all year
005pHMAXIMUM <= 9 SU all year
005Aluminum, total recoverable30DA AVG <= 1059 ug/L all year
005Aluminum, total recoverableDAILY MX <= 7419 ug/L all year
005Flow, in conduit or thru treatment plant30DA AVG <= .03878 MGD all year
005Flow, in conduit or thru treatment plantDAILY MX report only all year
005Sulfate30DA AVG report only all year
005SulfateDAILY MX report only all year
006pHMINIMUM >= 6.5 SU all year
006pHMAXIMUM <= 9 SU all year
006Aluminum, total recoverable30DA AVG <= 1059 ug/L all year
006Aluminum, total recoverableDAILY MX <= 7419 ug/L all year
006Flow, in conduit or thru treatment plant30DA AVG <= .03878 MGD all year
006Flow, in conduit or thru treatment plantDAILY MX report only all year
006Sulfate30DA AVG report only all year
006SulfateDAILY 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