DINGMANS FERRY STONE INC

NPDES permit PA0224791 · Minor NON-POTW · effective, expires 2029-03-11 · 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

0values over a limit
96required values missing, on 6 form(s)
9of 30 forms filed late

Last period with anything received: 2026-05-31.

Reporting

Reports are due about 89 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (96)

OutfallParameterStatisticLimitMonths
SP1TurbidityINST MAX <= 40 NTU all year
SP1TurbidityINST MAX <= 40 NTU all year
SP1pHINST MIN >= 6 SU all year
SP1pHINST MIN >= 6 SU all year
SP1pHINST MAX <= 9 SU all year
SP1pHINST MAX <= 9 SU all year
SP1pHINST MIN >= 6 SU all year
SP1pHINST MIN >= 6 SU all year
SP1pHINST MAX <= 9 SU all year
SP1pHINST MAX <= 9 SU all year
SP1pHINST MIN >= 6 SU all year
SP1pHINST MIN >= 6 SU all year
SP1pHINST MAX <= 9 SU all year
SP1pHINST MAX <= 9 SU all year
SP1Alkalinity, total [as CaCO3]INST MAX report only all year
SP1Alkalinity, total [as CaCO3]INST MAX report only all year
SP1Acidity, total [as CaCO3]INST MAX report only all year
SP1Acidity, total [as CaCO3]INST MAX report only all year
SP1Solids, total suspendedMO AVG <= 35 mg/L all year
SP1Solids, total suspendedMO AVG <= 35 mg/L all year
SP1Solids, total suspendedDAILY MX <= 70 mg/L all year
SP1Solids, total suspendedDAILY MX <= 70 mg/L all year
SP1Solids, total suspendedINST MAX <= 90 mg/L all year
SP1Solids, total suspendedINST MAX <= 90 mg/L all year
SP1Solids, settleableINST MAX <= .5 mL/L all year
SP1Solids, settleableINST MAX <= .5 mL/L all year
SP1Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP1Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP1Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP1Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP1Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP1Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP2TurbidityINST MAX <= 40 NTU all year
SP2TurbidityINST MAX <= 40 NTU all year
SP2pHINST MIN >= 6 SU all year
SP2pHINST MIN >= 6 SU all year
SP2pHINST MAX <= 9 SU all year
SP2pHINST MAX <= 9 SU all year
SP2pHINST MIN >= 6 SU all year
SP2pHINST MIN >= 6 SU all year
SP2pHINST MAX <= 9 SU all year
SP2pHINST MAX <= 9 SU all year
SP2pHINST MIN >= 6 SU all year
SP2pHINST MIN >= 6 SU all year
SP2pHINST MAX <= 9 SU all year
SP2pHINST MAX <= 9 SU all year
SP2Alkalinity, total [as CaCO3]INST MAX report only all year
SP2Alkalinity, total [as CaCO3]INST MAX report only all year
SP2Acidity, total [as CaCO3]INST MAX report only all year
SP2Acidity, total [as CaCO3]INST MAX report only all year
SP2Solids, total suspendedMO AVG <= 35 mg/L all year
SP2Solids, total suspendedMO AVG <= 35 mg/L all year
SP2Solids, total suspendedDAILY MX <= 70 mg/L all year
SP2Solids, total suspendedDAILY MX <= 70 mg/L all year
SP2Solids, total suspendedINST MAX <= 90 mg/L all year
SP2Solids, total suspendedINST MAX <= 90 mg/L all year
SP2Solids, settleableINST MAX <= .5 mL/L all year
SP2Solids, settleableINST MAX <= .5 mL/L all year
SP2Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP2Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP2Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP2Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP2Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP2Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP3TurbidityINST MAX <= 40 NTU all year
SP3TurbidityINST MAX <= 40 NTU all year
SP3pHINST MIN >= 6 SU all year
SP3pHINST MIN >= 6 SU all year
SP3pHINST MAX <= 9 SU all year
SP3pHINST MAX <= 9 SU all year
SP3pHINST MIN >= 6 SU all year
SP3pHINST MIN >= 6 SU all year
SP3pHINST MAX <= 9 SU all year
SP3pHINST MAX <= 9 SU all year
SP3pHINST MIN >= 6 SU all year
SP3pHINST MIN >= 6 SU all year
SP3pHINST MAX <= 9 SU all year
SP3pHINST MAX <= 9 SU all year
SP3Alkalinity, total [as CaCO3]INST MAX report only all year
SP3Alkalinity, total [as CaCO3]INST MAX report only all year
SP3Acidity, total [as CaCO3]INST MAX report only all year
SP3Acidity, total [as CaCO3]INST MAX report only all year
SP3Solids, total suspendedMO AVG <= 35 mg/L all year
SP3Solids, total suspendedMO AVG <= 35 mg/L all year
SP3Solids, total suspendedDAILY MX <= 70 mg/L all year
SP3Solids, total suspendedDAILY MX <= 70 mg/L all year
SP3Solids, total suspendedINST MAX <= 90 mg/L all year
SP3Solids, total suspendedINST MAX <= 90 mg/L all year
SP3Solids, settleableINST MAX <= .5 mL/L all year
SP3Solids, settleableINST MAX <= .5 mL/L all year
SP3Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP3Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP3Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP3Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP3Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L all year
SP3Alkalinity - Acidity [as CaCO3]INST MIN >= 0 mg/L 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