City of Springfield

NPDES permit MO0106658 · Minor NON-POTW · administratively continued, expires 2023-12-31 · 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 2023-12-31 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)
3of 12 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (49)

OutfallParameterStatisticLimitMonths
001Sulfate [as S]DAILY MX report only all year
001BOD, 5-day, 20 deg. CDAILY MX report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Solids, settleableDAILY MX report only all year
001Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001FluorideDAILY MX report only all year
001Arsenic, total recoverableDAILY MX report only all year
001Iron, total recoverableDAILY MX report only all year
001Selenium, total recoverableDAILY MX report only all year
001Thallium, total recoverableDAILY MX report only all year
001Beryllium, total recoverable [as Be]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Aluminum, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only all year
001Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
001Antimony, total recoverableDAILY MX report only all year
001Chromium, trivalent total recoverableDAILY MX report only all year
001BenzeneDAILY MX report only all year
001EthylbenzeneDAILY MX report only all year
001PhenolDAILY MX report only all year
001NaphthaleneDAILY MX report only all year
001ChlorideDAILY MX report only all year
001RainfallDAILY MX report only all year
001Mercury, total recoverableDAILY MX report only all year
001Chemical oxygen demand [COD]DAILY MX report only all year
001Storm water flowDAILY MX report only all year
001Chlorides + SulfatesDAILY MX report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX report only all year
002Solids, settleableDAILY MX report only all year
002Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
002RainfallDAILY MX report only all year
002Storm water flowDAILY MX report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX report only all year
003Solids, settleableDAILY MX report only all year
003Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
003RainfallDAILY MX report only all year
003Storm water flowDAILY 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