J. W. CONSTRUCTION CO., INC.

NPDES permit VAM082356 · Minor NON-POTW · effective, expires 2031-06-07 · 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
27required values missing, on 7 form(s)
0of 40 forms filed late

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

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 (67)

OutfallParameterStatisticLimitMonths
1925pHINST MIN >= 6 SU all year
1925pHINST MAX <= 9 SU all year
1925Solids, total suspendedDAILY MN report only all year
1925Solids, total suspendedMO AVG <= 35 mg/L all year
1925Solids, total suspendedDAILY MX <= 70 mg/L all year
1925Iron, total [as Fe]DAILY MN report only all year
1925Iron, total [as Fe]MO AVG <= 3 mg/L all year
1925Iron, total [as Fe]DAILY MX <= 6 mg/L all year
1925Manganese, total [as Mn]DAILY MN report only all year
1925Manganese, total [as Mn]MO AVG <= 2 mg/L all year
1925Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
1925Flow, in conduit or thru treatment plantMO AVG report only all year
1925Flow, in conduit or thru treatment plantDAILY MX report only all year
1925Solids, total dissolved [TDS]DAILY MN report only all year
1925Solids, total dissolved [TDS]MO AVG report only all year
1925Solids, total dissolved [TDS]DAILY MX report only all year
1926pHINST MIN >= 6 SU all year
1926pHINST MAX <= 9 SU all year
1926Solids, total suspendedDAILY MN report only all year
1926Solids, total suspendedMO AVG <= 35 mg/L all year
1926Solids, total suspendedDAILY MX <= 70 mg/L all year
1926Iron, total [as Fe]DAILY MN report only all year
1926Iron, total [as Fe]MO AVG <= 3 mg/L all year
1926Iron, total [as Fe]DAILY MX <= 6 mg/L all year
1926Manganese, total [as Mn]DAILY MN report only all year
1926Manganese, total [as Mn]MO AVG <= 2 mg/L all year
1926Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
1926Flow, in conduit or thru treatment plantMO AVG report only all year
1926Flow, in conduit or thru treatment plantDAILY MX report only all year
1926Solids, total dissolved [TDS]DAILY MN report only all year
1926Solids, total dissolved [TDS]MO AVG report only all year
1926Solids, total dissolved [TDS]DAILY MX report only all year
1927pHINST MIN >= 6 SU all year
1927pHINST MAX <= 9 SU all year
1927Solids, total suspendedDAILY MN report only all year
1927Solids, total suspendedMO AVG <= 35 mg/L all year
1927Solids, total suspendedDAILY MX <= 70 mg/L all year
1927Iron, total [as Fe]DAILY MN report only all year
1927Iron, total [as Fe]MO AVG <= 3 mg/L all year
1927Iron, total [as Fe]DAILY MX <= 6 mg/L all year
1927Manganese, total [as Mn]DAILY MN report only all year
1927Manganese, total [as Mn]MO AVG <= 2 mg/L all year
1927Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
1927Aluminum, total [as Al]DAILY MN report only all year
1927Aluminum, total [as Al]MO AVG report only all year
1927Aluminum, total [as Al]DAILY MX report only all year
1927Flow, in conduit or thru treatment plantMO AVG report only all year
1927Flow, in conduit or thru treatment plantDAILY MX report only all year
1927Solids, total dissolved [TDS]DAILY MN report only all year
1927Solids, total dissolved [TDS]MO AVG report only all year
1927Solids, total dissolved [TDS]DAILY MX report only all year
1928pHINST MIN >= 6 SU all year
1928pHINST MAX <= 9 SU all year
1928Solids, total suspendedDAILY MN report only all year
1928Solids, total suspendedMO AVG <= 35 mg/L all year
1928Solids, total suspendedDAILY MX <= 70 mg/L all year
1928Iron, total [as Fe]DAILY MN report only all year
1928Iron, total [as Fe]MO AVG <= 3 mg/L all year
1928Iron, total [as Fe]DAILY MX <= 6 mg/L all year
1928Manganese, total [as Mn]DAILY MN report only all year
1928Manganese, total [as Mn]MO AVG <= 2 mg/L all year
1928Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
1928Flow, in conduit or thru treatment plantMO AVG report only all year
1928Flow, in conduit or thru treatment plantDAILY MX report only all year
1928Solids, total dissolved [TDS]DAILY MN report only all year
1928Solids, total dissolved [TDS]MO AVG report only all year
1928Solids, total dissolved [TDS]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