THE BLACK DIAMOND COMPANY

NPDES permit VAM080454 · Minor NON-POTW · administratively continued, expires 2023-12-27 · 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 2023-12-27 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

6values over a limit
0required values missing, on 0 form(s)
0of 30 forms filed late

Last period with anything received: 2026-06-30. Most often over: Iron, total [as Fe] (4), Solids, total suspended (2).

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 (48)

OutfallParameterStatisticLimitMonths
0208pHINST MIN >= 6 SU all year
0208pHINST MAX <= 9 SU all year
0208Solids, total suspendedDAILY MN report only all year
0208Solids, total suspendedMO AVG <= 35 mg/L all year
0208Solids, total suspendedDAILY MX <= 70 mg/L all year
0208Solids, settleableDAILY MN report only all year
0208Solids, settleableMO AVG report only all year
0208Solids, settleableDAILY MX report only all year
0208Iron, total [as Fe]DAILY MN report only all year
0208Iron, total [as Fe]MO AVG <= 3 mg/L all year
0208Iron, total [as Fe]DAILY MX <= 6 mg/L all year
0208Manganese, total [as Mn]DAILY MN report only all year
0208Manganese, total [as Mn]MO AVG <= 2 mg/L all year
0208Manganese, total [as Mn]DAILY MX <= 4 mg/L all year
0208Flow, in conduit or thru treatment plantMO AVG report only all year
0208Flow, in conduit or thru treatment plantDAILY MX report only all year
0208Solids, total dissolved [TDS]DAILY MN report only all year
0208Solids, total dissolved [TDS]MO AVG report only all year
0208Solids, total dissolved [TDS]DAILY MX report only all year
4950pHINST MIN >= 6 SU all year
4950pHINST MAX <= 9 SU all year
4950Solids, total suspendedDAILY MN report only all year
4950Solids, total suspendedMO AVG <= 35 mg/L all year
4950Solids, total suspendedDAILY MX <= 70 mg/L all year
4950Iron, total [as Fe]DAILY MN report only all year
4950Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
4950Iron, total [as Fe]DAILY MX <= 7 mg/L all year
4950Flow, in conduit or thru treatment plantMO AVG report only all year
4950Flow, in conduit or thru treatment plantDAILY MX report only all year
4950Solids, total dissolved [TDS]DAILY MN report only all year
4950Solids, total dissolved [TDS]MO AVG report only all year
4950Solids, total dissolved [TDS]DAILY MX report only all year
4951pHINST MIN >= 6 SU all year
4951pHINST MAX <= 9 SU all year
4951Solids, total suspendedDAILY MN report only all year
4951Solids, total suspendedMO AVG <= 35 mg/L all year
4951Solids, total suspendedDAILY MX <= 70 mg/L all year
4951Solids, settleableDAILY MN report only all year
4951Solids, settleableMO AVG report only all year
4951Solids, settleableDAILY MX report only all year
4951Iron, total [as Fe]DAILY MN report only all year
4951Iron, total [as Fe]MO AVG <= 3.5 mg/L all year
4951Iron, total [as Fe]DAILY MX <= 7 mg/L all year
4951Flow, in conduit or thru treatment plantMO AVG report only all year
4951Flow, in conduit or thru treatment plantDAILY MX report only all year
4951Solids, total dissolved [TDS]DAILY MN report only all year
4951Solids, total dissolved [TDS]MO AVG report only all year
4951Solids, 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