Hannibal Board of Public Works

NPDES permit MO0093513 · Major POTW · administratively continued, expires 2023-04-30 · 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 2023-04-30 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 33 forms filed late

Last period with anything received: 2026-08-31.

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 (50)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
001Oil and grease [soxhlet extr.] tot.MO AVG report only all year
001Nitrogen, total [as N]DAILY MX report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]DAILY MX report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Phosphorus, total [as P]DAILY MX report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualDAILY MX <= 964 ug/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Chlorine, total residualMO AVG <= 446 ug/L Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli7 DA GEO <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001E. coli30DA GM <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
001Peracetic AcidDAILY MX <= 4.6 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
001Peracetic AcidVALUE report only Apr, May, Jun, Jul, Aug, Sep, Oct
001Toxicity [acute], Ceriodaphnia dubiaDAILY MX report only all year
001Toxicity [acute], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
002BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
002BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedWKLY AVG <= 45 mg/L all year
002Solids, total suspendedMO AVG <= 30 mg/L all year
002Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
002Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
002Nitrogen, ammonia total [as N]DAILY MX <= 5.3 mg/L Jan, Feb, Mar, Oct, Nov, Dec
002Nitrogen, ammonia total [as N]DAILY MX <= 3.5 mg/L Apr, May, Jun, Jul, Aug, Sep
002Nitrogen, ammonia total [as N]MO AVG <= 3.1 mg/L Jan, Feb, Mar, Oct, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 1.4 mg/L Apr, May, Jun, Jul, Aug, Sep
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Chlorine, total residualDAILY MX <= 17.2 ug/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Chlorine, total residualMO AVG <= 7.9 ug/L Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli7 DA GEO <= 630 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002E. coli30DA GM <= 126 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
002Peracetic AcidDAILY MX <= 1 mg/L Apr, May, Jun, Jul, Aug, Sep, Oct
002Peracetic AcidVALUE report only Apr, May, Jun, Jul, Aug, Sep, Oct
SM1Nitrogen, total [as N]DAILY MX report only all year
SM1Nitrogen, total [as N]MO AVG report only all year
SM1Phosphorus, total [as P]DAILY MX report only all year
SM1Phosphorus, total [as P]MO AVG 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