Kennecott Ridgeway Mining Company

NPDES permit SC0041378 · Minor NON-POTW · administratively continued, expires 2015-06-30 · 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 2015-06-30 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

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

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

Reporting

Reports are due about 29 days after each monitoring period ends (the most common figure among SC permits in EPA's filings — check your permit).

Limits in force (26)

OutfallParameterStatisticLimitMonths
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 8.5 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY 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
03ApHINST MIN report only all year
03ApHINST MAX report only all year
03ACyanide, weak acid, dissociableMO AVG report only all year
03ACyanide, weak acid, dissociableDAILY MX report only all year
03ACyanide, free-water plus wastewatersMO AVG report only all year
03ACyanide, free-water plus wastewatersDAILY MX report only all year
03ACyanide, total [as CN]MO AVG report only all year
03ACyanide, total [as CN]DAILY MX report only all year
03AFlow, in conduit or thru treatment plantMO AVG report only all year
03AFlow, in conduit or thru treatment plantDAILY MX report only all year
03BpHINST MIN report only all year
03BpHINST MAX report only all year
03BCyanide, weak acid, dissociableMO AVG report only all year
03BCyanide, weak acid, dissociableDAILY MX report only all year
03BCyanide, free-water plus wastewatersMO AVG report only all year
03BCyanide, free-water plus wastewatersDAILY MX report only all year
03BCyanide, total [as CN]MO AVG report only all year
03BCyanide, total [as CN]DAILY MX report only all year
03BFlow, in conduit or thru treatment plantMO AVG report only all year
03BFlow, 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