RICHWOOD, CITY OF

NPDES permit WV0022004 · Minor POTW · effective, expires 2027-11-13 · 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.

EPA's record, 2025-09-01 to 2026-08-31

57values over a limit
2required values missing, on 1 form(s)
4of 17 forms filed late

Last period with anything received: 2026-07-31. Most often over: Coliform, fecal general (18), Chlorine, total residual (10), BOD, 5-day, 20 deg. C (6).

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (38)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 15 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 60 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 125 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 63 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CDAILY MX <= 250 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CDAILY MX <= 125 lb/d May, Jun, Jul, Aug, Sep, Oct
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 60 mg/L all year
001Solids, total suspendedMO AVG <= 125 lb/d all year
001Solids, total suspendedDAILY MX <= 250 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 4.1 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 8.2 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 17 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 34 lb/d all year
001Hardness, total [as CaCO3]MO AVG report only all year
001Hardness, total [as CaCO3]DAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG <= .002 mg/L all year
001Lead, total recoverableDAILY MX <= .003 mg/L all year
001Copper, total recoverableMO AVG <= .007 mg/L all year
001Copper, total recoverableDAILY MX <= .012 mg/L all year
001Flow, in conduit or thru treatment plantMINIMUM report only 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 <= 0 mg/L all year
001Chlorine, total residualDAILY MX <= 0 mg/L all year
001BOD, 5 day percent removal, dryMO AV MN >= 85 % all year
001BOD, 5 day percent removal, wetMO AV MN report only all year
001Solids, suspended percent removal, dryMO AV MN >= 85 % all year
001Solids, suspended percent removal, wetMO AV MN report only all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL 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