NAVAL REACTORS LAB FLD OFC

NPDES permit PA0000914 · Minor FEDERAL · administratively continued, expires 2026-07-31 · 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 2026-07-31 and is administratively continued: 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

2values over a limit
0required values missing, on 0 form(s)
0of 28 forms filed late

Last period with anything received: 2026-06-30. Most often over: Solids, total suspended (2).

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among PA permits in EPA's filings — check your permit).

Limits in force (66)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. fahrenheitINST MAX <= 110 deg F all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001Solids, total suspendedMO AVG <= 25 mg/L all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Oil & GreaseMO AVG <= 15 mg/L all year
001Oil & GreaseINST MAX <= 30 mg/L all year
001Arsenic, total [as As]MO AVG report only all year
001Arsenic, total [as As]DAILY MX report only all year
001Chromium, hexavalent [as Cr]MO AVG report only all year
001Chromium, hexavalent [as Cr]DAILY MX report only all year
001Copper, total [as Cu]MO AVG report only all year
001Copper, total [as Cu]DAILY MX report only all year
001Iron, total [as Fe]MO AVG report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Iron, dissolved [as Fe]MO AVG report only all year
001Iron, dissolved [as Fe]DAILY MX report only all year
001Lead, total [as Pb]MO AVG report only all year
001Lead, total [as Pb]DAILY MX report only all year
001Zinc, total [as Zn]MO AVG report only all year
001Zinc, total [as Zn]DAILY MX report only all year
001Antimony, total [as Sb]MO AVG report only all year
001Antimony, total [as Sb]DAILY MX report only all year
001Aluminum, total [as Al]MO AVG report only all year
001Aluminum, total [as Al]DAILY MX report only all year
001DichlorobromomethaneMO AVG report only all year
001DichlorobromomethaneDAILY MX report only all year
001BromoformMO AVG report only all year
001BromoformDAILY MX report only all year
001ChloroformMO AVG report only all year
001ChloroformDAILY MX report only all year
001ChlorodibromomethaneMO AVG report only all year
001ChlorodibromomethaneDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Chlorine, total residualMO AVG report only all year
001Chlorine, total residualDAILY MX report only all year
006pHINST MIN report only all year
006pHINST MAX report only all year
006Solids, total suspendedDAILY MX report only all year
006Oil & GreaseDAILY MX report only all year
006Iron, total [as Fe]DAILY MX report only all year
006Aluminum, total [as Al]DAILY MX report only all year
007pHINST MIN >= 6 SU all year
007pHINST MAX <= 9 SU all year
007Solids, total suspendedMO AVG <= 30 mg/L all year
007Solids, total suspendedINST MAX <= 75 mg/L all year
007Iron, total [as Fe]MO AVG report only all year
007Iron, total [as Fe]DAILY MX report only all year
007Iron, dissolved [as Fe]INST MAX <= 7 mg/L all year
007Aluminum, total [as Al]MO AVG report only all year
007Aluminum, total [as Al]DAILY MX report only all year
007TetrachloroethyleneMO AVG <= 2.2 ug/L all year
007TetrachloroethyleneINST MAX <= 5.5 ug/L all year
007trans-1,2-DichloroethyleneMO AVG <= 5 ug/L all year
007trans-1,2-DichloroethyleneINST MAX <= 12.5 ug/L all year
007TrichloroethyleneMO AVG <= 5 ug/L all year
007TrichloroethyleneINST MAX <= 12.5 ug/L all year
007Flow, in conduit or thru treatment plantMO AVG report only all year
007Flow, in conduit or thru treatment plantDAILY MX report only all year
008pHINST MIN report only all year
008pHINST MAX report only all year
008Solids, total suspendedDAILY MX report only all year
008Oil & GreaseDAILY MX report only all year
008Iron, total [as Fe]DAILY MX report only all year
008Aluminum, total [as Al]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