DANVILLE, CITY OF

NPDES permit AR0022241 · Minor POTW · administratively continued, expires 2024-09-30 · EPA's file as of 2026-09-19

Check this month's numbers before you file

This permit expired on 2024-09-30 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

14values 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: Solids, total suspended (5), BOD, carbonaceous [5 day, 20 C] (4), Nitrogen, ammonia total [as N] (4).

Reporting

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

Limits in force (55)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]INST MIN >= 6 mg/L May, Jun, Jul, Aug, Sep, Oct
001Oxygen, dissolved [DO]INST MIN >= 3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 15 mg/L all year
001Solids, total suspended7 DA AVG <= 22.5 mg/L all year
001Solids, total suspendedMO AVG <= 18.8 lb/d all year
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Apr
001Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]7 DA AVG <= 10.5 mg/L Apr
001Nitrogen, ammonia total [as N]7 DA AVG <= 15 mg/L Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]7 DA AVG <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 12.5 lb/d Apr
001Nitrogen, ammonia total [as N]MO AVG <= 12.5 lb/d Jan, Feb, Mar, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG <= 2.5 lb/d May, Jun, Jul, Aug, Sep, Oct
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal general30DA GEO <= 1000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep
001Coliform, fecal general7 DA GEO <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
001OverflowsMO TOTAL report only all year
001Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
001BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 15 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 12.5 lb/d all year
002Oxygen, dissolved [DO]INST MIN >= 6 mg/L May, Jun, Jul, Aug, Sep, Oct
002Oxygen, dissolved [DO]INST MIN >= 3 mg/L Jan, Feb, Mar, Apr, Nov, Dec
002pHMINIMUM >= 6 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedMO AVG <= 15 mg/L all year
002Solids, total suspended7 DA AVG <= 22.5 mg/L all year
002Solids, total suspendedMO AVG <= 100.1 lb/d all year
002Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Apr
002Nitrogen, ammonia total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 2 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]7 DA AVG <= 10.5 mg/L Apr
002Nitrogen, ammonia total [as N]7 DA AVG <= 15 mg/L Jan, Feb, Mar, Nov, Dec
002Nitrogen, ammonia total [as N]7 DA AVG <= 3 mg/L May, Jun, Jul, Aug, Sep, Oct
002Nitrogen, ammonia total [as N]MO AVG <= 66.7 lb/d Apr
002Nitrogen, ammonia total [as N]MO AVG <= 66.7 lb/d Jan, Feb, Mar, Nov, Dec
002Nitrogen, ammonia total [as N]MO AVG <= 13.3 lb/d May, Jun, Jul, Aug, Sep, Oct
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Chlorine, total residualINST MAX report only all year
002Coliform, fecal general30DA GEO <= 200 #/100mL May, Jun, Jul, Aug, Sep
002Coliform, fecal general30DA GEO <= 1000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002Coliform, fecal general7 DA GEO <= 400 #/100mL May, Jun, Jul, Aug, Sep
002Coliform, fecal general7 DA GEO <= 2000 #/100mL Jan, Feb, Mar, Apr, Oct, Nov, Dec
002OverflowsMO TOTAL report only all year
002Overflow volume [SS0 volume, CSO volume]MO TOTAL report only all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 10 mg/L all year
002BOD, carbonaceous [5 day, 20 C]7 DA AVG <= 15 mg/L all year
002BOD, carbonaceous [5 day, 20 C]MO AVG <= 66.7 lb/d 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