Town of St Johnsbury

NPDES permit VT0100579 · Major POTW · expired, expires 2023-03-31 · 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.

This permit expired on 2023-03-31 and is expired: 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

0values over a limit
0required values missing, on 0 form(s)
0of 10 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (28)

OutfallParameterStatisticLimitMonths
001Septage discharged to treatment fac.MO TOTAL report only all year
001BOD, 5-day, 20 deg. CMO AVG <= 30 mg/L all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 45 mg/L all year
001BOD, 5-day, 20 deg. CDAILY MX <= 50 mg/L all year
001BOD, 5-day, 20 deg. CMO AVG <= 400 lb/d all year
001BOD, 5-day, 20 deg. CWKLY AVG <= 600 lb/d all year
001BOD, 5-day, 20 deg. CMO AVG report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedWKLY AVG <= 45 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Solids, total suspendedMO AVG <= 400 lb/d all year
001Solids, total suspendedWKLY AVG <= 600 lb/d all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableINST MAX <= 1 mL/L all year
001Nitrogen, total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrogen, total [as N]ANNL AVG <= 203 lb/d Dec
001Nitrogen, ammonia total [as N]DAILY MX report only Apr, May, Jun
001Nitrogen, Kjeldahl, total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Nitrite + Nitrate total [as N]DAILY MX report only Mar, Apr, May, Jun, Jul, Aug, Sep
001Phosphorus, total [as P]DAILY MX report only all year
001E. coli, thermotol, MF, MTECINST MAX <= 77 #/100mL all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantANNL AVG <= 1.6 MGD Dec
001Chlorine, total residualINST MAX <= .1 mg/L all year
001BOD, 5-day, percent removalMO MIN >= 85 % all year
001Solids, suspended percent removalMO MIN >= 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