Chesterfield County

NPDES permit VA0024996 · Major POTW · effective, expires 2029-01-31 · 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.

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

0values over a limit
0required values missing, on 0 form(s)
0of 39 forms filed late

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

Reporting

Reports are due about 10 days after each monitoring period ends (the most common figure among VA permits in EPA's filings — check your permit).

Limits in force (78)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 5.9 mg/L all year
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedMO AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG <= 13 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG <= 20 mg/L Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedMO AVG report only Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedWKLY AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Solids, total suspendedWKLY AVG report only Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedMO AVG report only all year
001Nitrogen, ammonia total [as N]MO AVG <= 9.5 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG <= 12.8 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG <= 12.1 mg/L Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG <= 19.2 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]MO AVG report only Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Nitrogen, ammonia total [as N]WKLY AVG report only Jun, Jul, Aug, Sep, Oct
001Nitrogen, ammonia total [as N]WKLY AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001Phosphorus, total [as P]MO AVG <= 2 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG <= 12 MGD (alert) all year
001Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
001Chlorine, total residualMO AVG <= 19 ug/L all year
001Chlorine, total residualWKLY AVG <= 23 ug/L all year
001Chlorine, total residualINST MIN >= .6 mg/L all year
001E. coliGEO MEAN <= 126 #/100mL all year
001Nitrogen, Total As NANNL AVG <= 5.8 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 13 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 20 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 20 mg/L Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only Jun, Jul, Aug, Sep, Oct
001BOD, carbonaceous [5 day, 20 C]WKLY AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
001BOD, carbonaceous [5 day, 20 C]MO AVG report only all year
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % all year
001Solids, suspended percent removalMO AV MN >= 85 % all year
003Oxygen, dissolved [DO]MINIMUM >= 5.9 mg/L all year
003pHMINIMUM >= 6 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedWKLY AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
003Solids, total suspendedWKLY AVG <= 20 mg/L Jun, Jul, Aug, Sep, Oct
003Solids, total suspendedMO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
003Solids, total suspendedMO AVG report only Jun, Jul, Aug, Sep, Oct
003Solids, total suspendedWKLY AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
003Solids, total suspendedWKLY AVG report only Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]MAXIMUM <= 17.26 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
003Nitrogen, ammonia total [as N]MAXIMUM <= 8.07 mg/L Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
003Nitrogen, ammonia total [as N]MO AVG report only Jun, Jul, Aug, Sep, Oct
003Nitrogen, ammonia total [as N]WKLY AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
003Nitrogen, ammonia total [as N]WKLY AVG report only Jun, Jul, Aug, Sep, Oct
003Phosphorus, total [as P]AVERAGE <= 2 mg/L all year
003Chlorine, total residualMAXIMUM <= 19 ug/L all year
003E. coliGEO MEAN <= 126 #/100mL all year
003Nitrogen, Total As NANNL AVG <= 5.8 mg/L all year
003BOD, carbonaceous [5 day, 20 C]MAXIMUM <= 30 mg/L Jan, Feb, Mar, Apr, May, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]MAXIMUM <= 20 mg/L Jun, Jul, Aug, Sep, Oct
003BOD, carbonaceous [5 day, 20 C]MO AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct
003BOD, carbonaceous [5 day, 20 C]WKLY AVG report only Jan, Feb, Mar, Apr, May, Nov, Dec
003BOD, carbonaceous [5 day, 20 C]WKLY AVG report only Jun, Jul, Aug, Sep, Oct
004Solids, total suspendedMO AVG <= 611 kg/d Jun, Jul, Aug, Sep, Oct
004Solids, total suspendedMO AVG <= 917 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
004Solids, total suspendedWKLY AVG <= 917 kg/d Jun, Jul, Aug, Sep, Oct
004Solids, total suspendedWKLY AVG <= 1376 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
004Nitrogen, ammonia total [as N]MO AVG <= 581 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
004Nitrogen, ammonia total [as N]MO AVG <= 244 kg/d Jun, Jul, Aug, Sep, Oct
004Nitrogen, ammonia total [as N]WKLY AVG <= 872 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
004Nitrogen, ammonia total [as N]WKLY AVG <= 367 kg/d Jun, Jul, Aug, Sep, Oct
004Flow, in conduit or thru treatment plantMO AVG <= 12 MGD (alert) all year
004Flow, in conduit or thru treatment plantDAILY MX report only (alert) all year
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 611 kg/d Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]MO AVG <= 917 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec
004BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 917 kg/d Jun, Jul, Aug, Sep, Oct
004BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 1376 kg/d Jan, Feb, Mar, Apr, May, Nov, Dec

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