Boston Water and Sewer Company

NPDES permit VA0088749 · Minor NON-POTW · effective, expires 2031-05-31 · EPA's file as of 2026-09-19

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

0values over a limit
0required values missing, on 0 form(s)
0of 1 forms filed late

Last period with anything received: 2025-12-31.

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 (39)

OutfallParameterStatisticLimitMonths
001Oxygen, dissolved [DO]MINIMUM >= 6 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L Jan, Feb, Mar, Apr, May, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L Jan, Feb, Mar, Apr, May, Dec
001BOD, 5-day, 20 deg. CMO AVG <= 8.5 kg/d Jan, Feb, Mar, Apr, May, Dec
001BOD, 5-day, 20 deg. CWKLY AVG <= 13 kg/d Jan, Feb, Mar, Apr, May, Dec
001BOD, 5-day, 20 deg. CMO AVG report only Jan, Feb, Mar, Apr, May, Dec
001pHDAILY MN >= 6 SU all year
001pHDAILY MX <= 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 <= 8.5 kg/d all year
001Solids, total suspendedWKLY AVG <= 13 kg/d all year
001Solids, total suspendedMO AVG report only all year
001Nitrogen, total [as N]MO AVG report only all year
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 10 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 3 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 15 mg/L Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 4.5 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, Kjeldahl, total [as N]MO AVG <= 2.8 kg/d Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, Kjeldahl, total [as N]MO AVG <= .85 kg/d Jun, Jul, Aug, Sep, Oct, Nov
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 4.3 kg/d Jan, Feb, Mar, Apr, May, Dec
001Nitrogen, Kjeldahl, total [as N]WKLY AVG <= 1.3 kg/d Jun, Jul, Aug, Sep, Oct, Nov
001Nitrite + Nitrate total [as N]MO AVG report only all year
001Phosphorus, total [as P]MO AVG report only all year
001Flow, in conduit or thru treatment plantMO AVG <= .075 MGD (alert) all year
001Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
001Chlorine, total residualMO AVG <= .02 mg/L all year
001Chlorine, total residualWKLY AVG <= .024 mg/L all year
001BOD, percent removal [total]MO AV MN >= 85 % Jan, Feb, Mar, Apr, May, Dec
001E. coliGEO MEAN <= 126 #/100mL all year
001Nitrogen, Total As NANNL AVG <= 3.7 mg/L all year
001Phosphorus, Total As PANNL AVG <= .5 mg/L all year
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 5 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 8 mg/L Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG <= 1.4 kg/d Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]WKLY AVG <= 2.3 kg/d Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carbonaceous [5 day, 20 C]MO AVG report only Jun, Jul, Aug, Sep, Oct, Nov
001BOD, carb-5 day, 20 deg C, percent removalMO AV MN >= 85 % Jun, Jul, Aug, Sep, Oct, Nov
001Solids, suspended percent removalMO AV MN >= 85 % 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