Elm Hills Utility Operating Company, Inc

NPDES permit MO0088382 · Minor NON-POTW · administratively continued, expires 2025-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2025-09-30 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

0values over a limit
0required values missing, on 0 form(s)
0of 4 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among MO permits in EPA's filings — check your permit).

Limits in force (18)

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
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Jul, Aug, Sep
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Apr, May, Jun
001Nitrogen, ammonia total [as N]DAILY MX <= 12.1 mg/L Oct, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 3.1 mg/L Jan, Feb, Mar
001Nitrogen, ammonia total [as N]MO AVG <= 1.5 mg/L Jul, Aug, Sep
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L Apr, May, Jun
001Nitrogen, ammonia total [as N]MO AVG <= 2.9 mg/L Oct, Nov, Dec
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001E. coliDAILY MX <= 1030 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
001E. coli30DA GM <= 206 #/100mL Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec

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