City of Joplin

NPDES permit MO0103349 · Major POTW · administratively continued, expires 2022-09-30 · EPA's file as of 2026-09-19

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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 2022-09-30 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

37values over a limit
0required values missing, on 0 form(s)
0of 52 forms filed late

Last period with anything received: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (16), E. coli (12), BOD, carbonaceous [5 day, 20 C] (3).

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 (88)

OutfallParameterStatisticLimitMonths
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedWKLY MAX <= 20 mg/L all year
004Solids, total suspendedMO AVG <= 15 mg/L all year
004Oil and grease [soxhlet extr.] tot.DAILY MX <= 15 mg/L all year
004Oil and grease [soxhlet extr.] tot.MO AVG <= 10 mg/L all year
004Nitrogen, ammonia total [as N]DAILY MX <= 11.5 mg/L Jan, Feb, Mar, Oct, Nov, Dec
004Nitrogen, ammonia total [as N]DAILY MX <= 4.7 mg/L Apr, May, Jun, Jul, Aug, Sep
004Nitrogen, ammonia total [as N]MO AVG <= 2.7 mg/L Jan, Feb, Mar, Oct, Nov, Dec
004Nitrogen, ammonia total [as N]MO AVG <= 1.4 mg/L Apr, May, Jun, Jul, Aug, Sep
004Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
004Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
004Nitrite + Nitrate total [as N]DAILY MX report only all year
004Nitrite + Nitrate total [as N]MO AVG report only all year
004Phosphorus, total [as P]DAILY MX report only all year
004Phosphorus, total [as P]MO AVG report only all year
004Cyanide, free [amenable to chlorination]DAILY MX <= 8.4 ug/L all year
004Cyanide, free [amenable to chlorination]MO AVG <= 4 ug/L all year
004Arsenic, total recoverableDAILY MX report only all year
004Arsenic, total recoverableMO AVG report only all year
004Nickel, total recoverableDAILY MX report only all year
004Nickel, total recoverableMO AVG report only all year
004Zinc, total recoverableDAILY MX <= 269.8 ug/L all year
004Zinc, total recoverableMO AVG <= 152.7 ug/L all year
004Cadmium, total recoverableDAILY MX <= 2.8 ug/L all year
004Cadmium, total recoverableMO AVG <= 1.4 ug/L all year
004Lead, total recoverableDAILY MX report only all year
004Lead, total recoverableMO AVG report only all year
004Copper, total recoverableDAILY MX <= 34.4 ug/L all year
004Copper, total recoverableMO AVG <= 13 ug/L all year
004Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
004Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
004Chromium, trivalent total recoverableDAILY MX report only all year
004Chromium, trivalent total recoverableMO AVG report only all year
004PhenolDAILY MX report only all year
004PhenolMO AVG report only all year
004PentachlorophenolDAILY MX report only all year
004PentachlorophenolMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004E. coli7 DA GEO <= 1030 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
004E. coli30DA GM <= 206 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct
004Mercury, total recoverableDAILY MX report only all year
004Mercury, total recoverableMO AVG report only all year
004BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 10 mg/L all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
004BOD, carbonaceous, percent removalMO AV MN >= 85 % all year
004Solids, suspended percent removalMO AV MN >= 85 % all year
INFBOD, 5-day, 20 deg. CMO AVG report only all year
INFSolids, total suspendedMO AVG report only all year
INFNitrogen, ammonia total [as N]DAILY MX report only all year
INFNitrogen, ammonia total [as N]MO AVG report only all year
INFNitrogen, Kjeldahl, total [as N]DAILY MX report only all year
INFNitrogen, Kjeldahl, total [as N]MO AVG report only all year
INFNitrite + Nitrate total [as N]DAILY MX report only all year
INFNitrite + Nitrate total [as N]MO AVG report only all year
INFPhosphorus, total [as P]DAILY MX report only all year
INFPhosphorus, total [as P]MO AVG report only all year
SM1Nitrogen, ammonia total [as N]DAILY MX report only all year
SM1Nitrogen, ammonia total [as N]MO AVG report only all year
SM1Nitrogen, Kjeldahl, total [as N]DAILY MX report only all year
SM1Nitrogen, Kjeldahl, total [as N]MO AVG report only all year
SM1Nitrite + Nitrate total [as N]DAILY MX report only all year
SM1Nitrite + Nitrate 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
SM1Arsenic, dissolved [as As]DAILY MX report only all year
SM1Arsenic, dissolved [as As]MO AVG report only all year
SM1Cadmium, dissolved [as Cd]DAILY MX report only all year
SM1Cadmium, dissolved [as Cd]MO AVG report only all year
SM1Copper, dissolved [as Cu]DAILY MX report only all year
SM1Copper, dissolved [as Cu]MO AVG report only all year
SM1Lead, dissolved [as Pb]DAILY MX report only all year
SM1Lead, dissolved [as Pb]MD report only all year
SM1Nickel, dissolved [as Ni]DAILY MX report only all year
SM1Nickel, dissolved [as Ni]MO AVG report only all year
SM1Zinc, dissolved [as Zn]DAILY MX report only all year
SM1Zinc, dissolved [as Zn]MO AVG report only all year
SM1Chromium, hexavalent dissolved [as Cr]DAILY MX report only all year
SM1Chromium, hexavalent dissolved [as Cr]MO AVG report only all year
SM1PentachlorophenolDAILY MX report only all year
SM1PentachlorophenolMO AVG report only all year
SM1Mercury, dissolved [as Hg]DAILY MX report only all year
SM1Mercury, dissolved [as Hg]MO AVG report only all year
SM1Chromium, trivalent dissolved, as CrDAILY MX report only all year
SM1Chromium, trivalent dissolved, as CrMO AVG report only all year
SM2Hardness, total [as CaCO3]DAILY MX report only all year
SM2Hardness, total [as CaCO3]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