SANITARY BOARD OF THE CITY OF CHARLESTON

NPDES permit WV0023205 · Major POTW · effective, expires 2027-03-08 · 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

3values over a limit
0required values missing, on 0 form(s)
0of 22 forms filed late

Last period with anything received: 2026-07-31. Most often over: pH (3).

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among WV permits in EPA's filings — check your permit).

Limits in force (87)

OutfallParameterStatisticLimitMonths
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 20 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. C7 DA AVG <= 45 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. C7 DA AVG <= 30 mg/L May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. CMO AVG <= 5254 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 3503 lb/d May, Jun, Jul, Aug, Sep, Oct
001BOD, 5-day, 20 deg. C7 DA AVG <= 7881 lb/d Jan, Feb, Mar, Apr, Nov, Dec
001BOD, 5-day, 20 deg. C7 DA AVG <= 5254 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 suspended7 DA AVG <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 5254 lb/d all year
001Solids, total suspended7 DA AVG <= 7881 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 17.5 mg/L all year
001Nitrogen, ammonia total [as N]DAILY MX <= 30 mg/L all year
001Nitrogen, ammonia total [as N]MO AVG <= 3065 lb/d all year
001Nitrogen, ammonia total [as N]DAILY MX <= 5254 lb/d all year
001Cyanide, weak acid, dissociableMO AVG <= .02 mg/L all year
001Cyanide, weak acid, dissociableDAILY MX <= .051 mg/L all year
001Arsenic, total [as As]MO AVG report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Nickel, total recoverableMO AVG report only all year
001Nickel, total recoverableDAILY MX report only all year
001Silver total recoverableMO AVG report only all year
001Silver total recoverableDAILY MX report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableMO AVG report only all year
001Zinc, total recoverableDAILY MX report only all year
001Zinc, total recoverableDAILY MX report only all year
001Cadmium, total recoverableMO AVG report only all year
001Cadmium, total recoverableDAILY MX report only all year
001Lead, total recoverableMO AVG report only all year
001Lead, total recoverableDAILY MX report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableMO AVG report only all year
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only 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
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
001Toxicity [chronic], Ceriodaphnia dubiaMO AVG report only all year
001Toxicity [chronic], Ceriodaphnia dubiaDAILY MX report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]MO AVG report only all year
001Toxicity [chronic], Pimephales promelas [Fathead Minnow]DAILY MX report only all year
001Mercury, total [as Hg]MO AVG report only all year
001Mercury, total [as Hg]DAILY MX report only all year
001Coliform, fecal generalMO GEOMN <= 200 #/100mL all year
001Coliform, fecal generalDAILY MX <= 400 #/100mL all year
079BOD, 5-day, 20 deg. CMO AVG report only all year
079BOD, 5-day, 20 deg. CDAILY MX report only all year
079pHINST MIN report only all year
079pHINST MAX report only all year
079Solids, total suspendedMO AVG report only all year
079Solids, total suspendedDAILY MX report only all year
079Oil and grease, hexane extr methodMO AVG report only all year
079Oil and grease, hexane extr methodDAILY MX report only all year
079Nitrogen, ammonia total [as N]MO AVG report only all year
079Nitrogen, ammonia total [as N]DAILY MX report only all year
079Flow, in conduit or thru treatment plantMO AVG report only all year
079Flow, in conduit or thru treatment plantDAILY MX report only all year
079Coliform, fecal generalMO GEOMN report only all year
079Coliform, fecal generalDAILY MX report only all year
079Chemical Oxygen Demand [COD]MO AVG report only all year
079Chemical Oxygen Demand [COD]DAILY MX report only all year
080BOD, 5-day, 20 deg. CMO AVG report only all year
080BOD, 5-day, 20 deg. CDAILY MX report only all year
080pHINST MIN report only all year
080pHINST MAX report only all year
080Solids, total suspendedMO AVG report only all year
080Solids, total suspendedDAILY MX report only all year
080Oil and grease, hexane extr methodMO AVG report only all year
080Oil and grease, hexane extr methodDAILY MX report only all year
080Nitrogen, ammonia total [as N]MO AVG report only all year
080Nitrogen, ammonia total [as N]DAILY MX report only all year
080Flow, in conduit or thru treatment plantMO AVG report only all year
080Flow, in conduit or thru treatment plantDAILY MX report only all year
080Coliform, fecal generalMO GEOMN report only all year
080Coliform, fecal generalDAILY MX report only all year
080Chemical Oxygen Demand [COD]MO AVG report only all year
080Chemical Oxygen Demand [COD]DAILY MX 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