KEYSTONE CEMENT CO

NPDES permit PA0011517 · Minor NON-POTW · effective, expires 2027-02-28 · 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.

EPA's record, 2025-09-01 to 2026-08-31

2values over a limit
0required values missing, on 0 form(s)
0of 20 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 (27)

OutfallParameterStatisticLimitMonths
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002Solids, total suspendedDAILY MX <= 50 mg/L all year
002Iron, total [as Fe]DAILY MX report only all year
002Aluminum, total [as Al]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHINST MIN >= 6 SU all year
003pHINST MAX <= 9 SU all year
003Solids, total suspendedDAILY MX <= 100 mg/L all year
003Iron, total [as Fe]DAILY MX report only all year
003Aluminum, total [as Al]DAILY MX report only all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004Solids, total suspendedDAILY MX <= 100 mg/L all year
004Iron, total [as Fe]DAILY MX report only all year
004Aluminum, total [as Al]DAILY MX report only all year
005pHINST MIN >= 6 SU all year
005pHINST MAX <= 9 SU all year
005Solids, total suspendedDAILY MX <= 100 mg/L all year
005Iron, total [as Fe]DAILY MX report only all year
005Aluminum, total [as Al]DAILY MX report only all year
006pHINST MIN >= 6 SU all year
006pHINST MAX <= 9 SU all year
006Solids, total suspendedDAILY MX <= 100 mg/L all year
006Iron, total [as Fe]DAILY MX report only all year
006Aluminum, 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