MT. VERNON, CITY OF

NPDES permit OR0030694 · Minor POTW · administratively continued, expires 2016-11-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2016-11-30 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 22 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among OR permits in EPA's filings — check your permit).

Limits in force (31)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeMO AVG report only all year
001Temperature, water deg. centigradeMO AVG report only all year
001Flow rateMO AVG report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 25 lb/d all year
001BOD, 5-day, 20 deg. CDAILY MX <= 50 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 38 lb/d all year
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 9 SU all year
001pHDAILY MN report only all year
001pHDAILY MX report only all year
001Solids, total suspendedMO AVG <= 85 mg/L all year
001Solids, total suspendedMO AVG <= 71 lb/d all year
001Solids, total suspendedDAILY MX <= 140 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, total suspendedWKLY AVG <= 140 mg/L all year
001Solids, total suspendedWKLY AVG <= 110 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Chlorine, total residualDAILY MX <= .05 mg/L all year
001E. coliMO GEO <= 126 #/100mL all year
001E. coliDAILY MX <= 406 #/100mL all year
001E. coliMO GEO <= 126 #/100mL all year
001E. coliDAILY MX report only all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 65 % all year
001Chlorine usageMO 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