HORSEHEAD DEV CO INC

NPDES permit PA0064378 · Minor NON-POTW · expired, expires 2016-06-30 · 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 2016-06-30 and is expired: 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
10required values missing, on 1 form(s)
0of 20 forms filed late

Last period with anything received: 2026-06-30. Most often over: pH (2), Zinc, total [as Zn] (2), Cadmium, total [as Cd] (1).

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 (28)

OutfallParameterStatisticLimitMonths
004pHMINIMUM >= 6 SU all year
004pHMAXIMUM <= 9 SU all year
004Solids, total suspendedMO AVG <= 20 mg/L all year
004Solids, total suspendedDAILY MX <= 30 mg/L all year
004Oil & GreaseMO AVG <= 15 mg/L all year
004Oil & GreaseINST MAX <= 30 mg/L all year
004Cadmium, total [as Cd]MO AVG <= .1 mg/L all year
004Cadmium, total [as Cd]DAILY MX <= .2 mg/L all year
004Lead, total [as Pb]MO AVG <= .35 mg/L all year
004Lead, total [as Pb]DAILY MX <= .7 mg/L all year
004Zinc, total [as Zn]MO AVG <= 1.2 mg/L all year
004Zinc, total [as Zn]DAILY MX <= 2.4 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHMAXIMUM <= 9 SU all year
005Solids, total suspendedMO AVG report only all year
005Solids, total suspendedDAILY MX report only all year
005Oil & GreaseMO AVG report only all year
005Oil & GreaseINST MAX report only all year
005Cadmium, total [as Cd]MO AVG report only all year
005Cadmium, total [as Cd]DAILY MX report only all year
005Lead, total [as Pb]MO AVG report only all year
005Lead, total [as Pb]DAILY MX report only all year
005Zinc, total [as Zn]MO AVG report only all year
005Zinc, total [as Zn]DAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, in conduit or thru treatment plantDAILY 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