KEYSTONE CEMENT CO

NPDES permit PA0612308 · Minor NON-POTW · effective, expires 2026-12-20 · 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

3values over a limit
74required values missing, on 14 form(s)
0of 30 forms filed late

Last period with anything received: 2026-05-31. Most often over: Solids, total suspended (3).

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 (66)

OutfallParameterStatisticLimitMonths
001pHINST MIN >= 6 SU all year
001pHINST MIN >= 6 SU all year
001pHINST MAX <= 9 SU all year
001pHINST MAX <= 9 SU all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Alkalinity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Acidity, total [as CaCO3]INST MAX report only all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedMO AVG <= 35 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, total suspendedDAILY MX <= 70 mg/L all year
001Solids, total suspendedINST MAX <= 90 mg/L all year
001Solids, total suspendedINST MAX <= 90 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG <= 4 MGD all year
001Flow, in conduit or thru treatment plantMO AVG <= 4 MGD all year
001Flow, in conduit or thru treatment plantINST MAX <= 4 MGD all year
001Flow, in conduit or thru treatment plantINST MAX <= 4 MGD all year
001Alkalinity - Acidity [as CaCO3]DAILY MN >= 0 mg/L all year
001Alkalinity - Acidity [as CaCO3]DAILY MN >= 0 mg/L all year
001Solids, total dissolvedINST MAX report only all year
001Solids, total dissolvedINST MAX report only all year
002pHINST MIN >= 6 SU all year
002pHINST MIN >= 6 SU all year
002pHINST MAX <= 9 SU all year
002pHINST MAX <= 9 SU all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Alkalinity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Acidity, total [as CaCO3]INST MAX report only all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedMO AVG <= 35 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedDAILY MX <= 70 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Solids, total suspendedINST MAX <= 90 mg/L all year
002Flow, in conduit or thru treatment plantMO AVG <= 3 MGD all year
002Flow, in conduit or thru treatment plantMO AVG <= 3 MGD all year
002Flow, in conduit or thru treatment plantDAILY MX <= 3 MGD all year
002Flow, in conduit or thru treatment plantDAILY MX <= 3 MGD all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
002Solids, total dissolvedMO AVG report only all year
002Solids, total dissolvedMO AVG report only all year
004pHINST MIN >= 6 SU all year
004pHINST MIN >= 6 SU all year
004pHINST MAX <= 9 SU all year
004pHINST MAX <= 9 SU all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Alkalinity, total [as CaCO3]INST MAX report only all year
004Acidity, total [as CaCO3]INST MAX report only all year
004Acidity, total [as CaCO3]INST MAX report only all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedMO AVG <= 35 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedDAILY MX <= 70 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Solids, total suspendedINST MAX <= 90 mg/L all year
004Flow, in conduit or thru treatment plantMO AVG <= 12 MGD all year
004Flow, in conduit or thru treatment plantMO AVG <= 12 MGD all year
004Flow, in conduit or thru treatment plantDAILY MX <= 14.7 MGD all year
004Flow, in conduit or thru treatment plantDAILY MX <= 14.7 MGD all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
004Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
004Solids, total dissolvedMO AVG report only all year
004Solids, total dissolvedMO AVG 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