RIGGINS, CITY OF

NPDES permit ID0020931 · Minor POTW · administratively continued, expires 2017-08-31 · 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 2017-08-31 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)
0of 24 forms filed late

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

Reporting

Reports are due about 20 days after each monitoring period ends (the most common figure among ID permits in EPA's filings — check your permit).

Limits in force (33)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 26 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 39 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHINST MIN >= 6.5 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 26 lb/d all year
001Solids, total suspendedWKLY AVG <= 39 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG report only all year
001E. coli, MTEC-MFMO GEOMN <= 126 #/100mL all year
001E. coli, MTEC-MFINST MAX <= 406 #/100mL all year
001Floating solids, waste or visible foam-visualMO MAX <= 0 N=0;Y=1 all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG <= .5 mg/L all year
001Chlorine, total residualDAILY MX <= .75 mg/L all year
001Chlorine, total residualMO AVG <= .44 lb/d all year
001Chlorine, total residualDAILY MX <= .66 lb/d all year
001BOD, 5-day, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
001Oil and grease visualMO MAX <= 0 N=0;Y=1 all year
RECTemperature, water deg. centigradeQB report only all year
RECTemperature, water deg. centigradeQB report only all year
RECpHINST MIN report only all year
RECpHINST MAX report only all year
RECpHINST MIN report only all year
RECpHINST MAX report only all year
RECNitrogen, ammonia total [as N]QB report only all year
RECNitrogen, ammonia total [as N]QB 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