Colonna's Ship Yard, Incorporated

NPDES permit VA0053813 · Minor NON-POTW · effective, expires 2030-11-30 · 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)
0of 32 forms filed late

Last period with anything received: 2026-07-31.

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 (69)

OutfallParameterStatisticLimitMonths
009pHMINIMUM >= 6 SU all year
009pHMAXIMUM <= 9 SU all year
009Solids, total suspendedMO AVG <= 30 mg/L all year
009Solids, total suspendedMAXIMUM <= 60 mg/L all year
009Zinc, total recoverableMAXIMUM report only all year
009Copper, total recoverableMAXIMUM report only all year
009Petrol hydrocarbons, total recoverableMO AVG <= 10 mg/L all year
009Petrol hydrocarbons, total recoverableMAXIMUM <= 15 mg/L all year
009Flow, in conduit or thru treatment plantMO AVG report only all year
009Flow, in conduit or thru treatment plantMAXIMUM report only all year
009TU Static 48Hr Acute Americamysis bahia (formerly Mysidopsis bahia)MAXIMUM <= 1 tox acute all year
010pHMINIMUM >= 6 SU all year
010pHMAXIMUM <= 9 SU all year
010Solids, total suspendedMAXIMUM report only all year
010Zinc, total recoverableMAXIMUM report only all year
010Copper, total recoverableMAXIMUM report only all year
010Precipitation volumeET report only all year
012pHMINIMUM >= 6 SU all year
012pHMAXIMUM <= 9 SU all year
012Solids, total suspendedMAXIMUM report only all year
012Zinc, total recoverableMAXIMUM report only all year
012Copper, total recoverableMAXIMUM report only all year
012Precipitation volumeET report only all year
013pHMINIMUM >= 6 SU all year
013pHMAXIMUM <= 9 SU all year
013Solids, total suspendedMAXIMUM report only all year
013Zinc, total recoverableMAXIMUM report only all year
013Copper, total recoverableMAXIMUM report only all year
013Precipitation volumeET report only all year
014pHMINIMUM >= 6 SU all year
014pHMAXIMUM <= 9 SU all year
014Solids, total suspendedMAXIMUM report only all year
014Zinc, total recoverableMAXIMUM report only all year
014Copper, total recoverableMAXIMUM report only all year
014Precipitation volumeET report only all year
015pHMINIMUM >= 6 SU all year
015pHMAXIMUM <= 9 SU all year
015Solids, total suspendedMAXIMUM report only all year
015Precipitation volumeET report only all year
904pHMINIMUM >= 6 SU all year
904pHMAXIMUM <= 9 SU all year
904Solids, total suspendedMAXIMUM report only all year
904Nitrogen, total [as N]MAXIMUM report only all year
904Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
904Nitrite + Nitrate total [as N]MAXIMUM report only all year
904Phosphorus, total [as P]MAXIMUM report only all year
904Zinc, total recoverableMAXIMUM report only all year
904Copper, total recoverableMAXIMUM report only all year
904Precipitation volumeET report only all year
908pHMINIMUM >= 6 SU all year
908pHMAXIMUM <= 9 SU all year
908Solids, total suspendedMAXIMUM report only all year
908Nitrogen, total [as N]MAXIMUM report only all year
908Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
908Nitrite + Nitrate total [as N]MAXIMUM report only all year
908Phosphorus, total [as P]MAXIMUM report only all year
908Zinc, total recoverableMAXIMUM report only all year
908Copper, total recoverableMAXIMUM report only all year
908Precipitation volumeET report only all year
919pHMINIMUM >= 6 SU all year
919pHMAXIMUM <= 9 SU all year
919Solids, total suspendedMAXIMUM report only all year
919Nitrogen, total [as N]MAXIMUM report only all year
919Nitrogen, Kjeldahl, total [as N]MAXIMUM report only all year
919Nitrite + Nitrate total [as N]MAXIMUM report only all year
919Phosphorus, total [as P]MAXIMUM report only all year
919Zinc, total recoverableMAXIMUM report only all year
919Copper, total recoverableMAXIMUM report only all year
919Precipitation volumeET 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