Lhoist North America of TN, LLC dba Spinks Clay Co.

NPDES permit TN0063541 · Minor NON-POTW · effective, expires 2026-10-31 · 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

0values over a limit
0required values missing, on 0 form(s)
0of 24 forms filed late

Last period with anything received: 2026-08-31.

Reporting

Reports are due about 15 days after each monitoring period ends (the most common figure among TN permits in EPA's filings — check your permit).

Limits in force (24)

OutfallParameterStatisticLimitMonths
2301pHMINIMUM >= 6 SU all year
2301pHMINIMUM >= 6 SU all year
2301pHMAXIMUM <= 9 SU all year
2301pHMAXIMUM <= 9 SU all year
2301Solids, total suspendedMO AVG <= 35 mg/L all year
2301Solids, total suspendedMO AVG <= 35 mg/L all year
2301Solids, total suspendedDAILY MX <= 70 mg/L all year
2301Solids, total suspendedDAILY MX <= 70 mg/L all year
2301Flow, in conduit or thru treatment plantMO AVG report only all year
2301Flow, in conduit or thru treatment plantMO AVG report only all year
2301Flow, in conduit or thru treatment plantDAILY MX report only all year
2301Flow, in conduit or thru treatment plantDAILY MX report only all year
2302pHMINIMUM >= 6 SU all year
2302pHMINIMUM >= 6 SU all year
2302pHMAXIMUM <= 9 SU all year
2302pHMAXIMUM <= 9 SU all year
2302Solids, total suspendedMO AVG <= 35 mg/L all year
2302Solids, total suspendedMO AVG <= 35 mg/L all year
2302Solids, total suspendedDAILY MX <= 70 mg/L all year
2302Solids, total suspendedDAILY MX <= 70 mg/L all year
2302Flow, in conduit or thru treatment plantMO AVG report only all year
2302Flow, in conduit or thru treatment plantMO AVG report only all year
2302Flow, in conduit or thru treatment plantDAILY MX report only all year
2302Flow, 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