Lhoist North America of TN, LLC dba Spinks Clay Company, Inc.

NPDES permit TN0030465 · Minor NON-POTW · effective, expires 2030-07-31 · 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
0required values missing, on 0 form(s)
0of 12 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 (12)

OutfallParameterStatisticLimitMonths
1001pHMINIMUM >= 6 SU all year
1001pHMINIMUM >= 6 SU all year
1001pHMAXIMUM <= 9 SU all year
1001pHMAXIMUM <= 9 SU all year
1001Solids, total suspendedMO AVG <= 35 mg/L all year
1001Solids, total suspendedMO AVG <= 35 mg/L all year
1001Solids, total suspendedMAXIMUM <= 70 mg/L all year
1001Solids, total suspendedMAXIMUM <= 70 mg/L all year
1001Flow, in conduit or thru treatment plantMO AVG report only all year
1001Flow, in conduit or thru treatment plantMO AVG report only all year
1001Flow, in conduit or thru treatment plantDAILY MX report only all year
1001Flow, 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