GEN DYNAMICS ORDNANCE & TACTICAL SYS INC

NPDES permit PA0043672 · Minor NON-POTW · effective, expires 2027-12-31 · EPA's file as of 2026-09-19

Check this month's numbers before you file

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

0values over a limit
0required values missing, on 0 form(s)
2of 32 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (90)

OutfallParameterStatisticLimitMonths
002BOD, 5-day, 20 deg. CDAILY MX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002pHDAILY MX report only all year
002Solids, total suspendedDAILY MX report only all year
002Oil & GreaseDAILY MX report only all year
002Nitrite + Nitrate total [as N]DAILY MX report only all year
002Arsenic, total [as As]DAILY MX report only all year
002Cadmium, total [as Cd]DAILY MX report only all year
002Chromium, hexavalent [as Cr]DAILY MX report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Iron, total [as Fe]DAILY MX report only all year
002Lead, total [as Pb]DAILY MX report only all year
002Thallium, total [as Tl]DAILY MX report only all year
002Nickel, total [as Ni]DAILY MX report only all year
002Silver, total [as Ag]DAILY MX report only all year
002Zinc, total [as Zn]DAILY MX report only all year
002Antimony, total [as Sb]DAILY MX report only all year
002Aluminum, total [as Al]DAILY MX report only all year
002Selenium, total [as Se]DAILY MX report only all year
002Carbon tetrachlorideDAILY MX report only all year
002Carbon tetrachlorideDAILY MX report only all year
0021,2-DichloroethaneDAILY MX report only all year
0021,2-DichloroethaneDAILY MX report only all year
002ChloroformDAILY MX report only all year
002ChloroformDAILY MX report only all year
002TetrachloroethyleneDAILY MX report only all year
002TetrachloroethyleneDAILY MX report only all year
0021,1-DichloroethaneDAILY MX report only all year
0021,1-DichloroethaneDAILY MX report only all year
0021,1-DichloroethyleneDAILY MX report only all year
0021,1-DichloroethyleneDAILY MX report only all year
0021,1,1-TrichloroethaneDAILY MX report only all year
0021,1,1-TrichloroethaneDAILY MX report only all year
002trans-1,2-DichloroethyleneDAILY MX report only all year
002trans-1,2-DichloroethyleneDAILY MX report only all year
002Vinyl chlorideDAILY MX report only all year
002Vinyl chlorideDAILY MX report only all year
002TrichloroethyleneMO AVG <= .03 mg/L all year
002TrichloroethyleneDAILY MX <= .06 mg/L all year
002TrichloroethyleneDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002cis-1,2-DichloroethyleneDAILY MX report only all year
002cis-1,2-DichloroethyleneDAILY MX report only all year
002ChloroethaneDAILY MX report only all year
002ChloroethaneDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Carbon tetrachlorideDAILY MX report only all year
003Carbon tetrachlorideDAILY MX report only all year
003ChloroformDAILY MX report only all year
003ChloroformDAILY MX report only all year
003TetrachloroethyleneDAILY MX report only all year
003TetrachloroethyleneDAILY MX report only all year
0031,1-DichloroethaneDAILY MX report only all year
0031,1-DichloroethaneDAILY MX report only all year
0031,1-DichloroethyleneDAILY MX report only all year
0031,1-DichloroethyleneDAILY MX report only all year
0031,1,1-TrichloroethaneDAILY MX report only all year
0031,1,1-TrichloroethaneDAILY MX report only all year
003Vinyl chlorideDAILY MX report only all year
003Vinyl chlorideDAILY MX report only all year
003TrichloroethyleneMO AVG <= .02 mg/L all year
003TrichloroethyleneDAILY MX <= .04 mg/L all year
003TrichloroethyleneDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003cis-1,2-DichloroethyleneDAILY MX report only all year
003cis-1,2-DichloroethyleneDAILY MX report only all year
003ChloroethaneDAILY MX report only all year
003ChloroethaneDAILY MX report only all year
005BOD, 5-day, 20 deg. CDAILY MX report only all year
005pHDAILY MX report only all year
005Solids, total suspendedDAILY MX report only all year
005Oil & GreaseDAILY MX report only all year
005Nitrite + Nitrate total [as N]DAILY MX report only all year
005Arsenic, total [as As]DAILY MX report only all year
005Cadmium, total [as Cd]DAILY MX report only all year
005Chromium, hexavalent [as Cr]DAILY MX report only all year
005Copper, total [as Cu]DAILY MX report only all year
005Iron, total [as Fe]DAILY MX report only all year
005Lead, total [as Pb]DAILY MX report only all year
005Thallium, total [as Tl]DAILY MX report only all year
005Nickel, total [as Ni]DAILY MX report only all year
005Silver, total [as Ag]DAILY MX report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Antimony, total [as Sb]DAILY MX report only all year
005Aluminum, total [as Al]DAILY MX report only all year
005Selenium, total [as Se]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