Lhoist North America of Tennessee dba Spinks Clay Co.

NPDES permit TN0071102 · Minor NON-POTW · effective, expires 2030-04-30 · 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 14 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
251pHMINIMUM >= 6 SU all year
251pHMINIMUM >= 6 SU all year
251pHMAXIMUM <= 9 SU all year
251pHMAXIMUM <= 9 SU all year
251Solids, total suspendedMO AVG <= 35 mg/L all year
251Solids, total suspendedMO AVG <= 35 mg/L all year
251Solids, total suspendedDAILY MX <= 70 mg/L all year
251Solids, total suspendedDAILY MX <= 70 mg/L all year
251Flow, in conduit or thru treatment plantMO AVG report only all year
251Flow, in conduit or thru treatment plantMO AVG report only all year
251Flow, in conduit or thru treatment plantDAILY MX report only all year
251Flow, in conduit or thru treatment plantDAILY MX report only all year
SW01pHMINIMUM >= 6 SU (alert) all year
SW01pHMAXIMUM <= 9 SU (alert) all year
SW01Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW01Oil & GreaseDAILY MX <= 15 mg/L (alert) all year
SW01Flow, in conduit or thru treatment plantMINIMUM report only (alert) all year
SW01Flow, in conduit or thru treatment plantMAXIMUM report only (alert) all year
SW02pHMINIMUM >= 6 SU (alert) all year
SW02pHMAXIMUM <= 9 SU (alert) all year
SW02Solids, total suspendedDAILY MX <= 150 mg/L (alert) all year
SW02Oil & GreaseDAILY MX <= 15 mg/L (alert) all year
SW02Flow, in conduit or thru treatment plantMINIMUM report only (alert) all year
SW02Flow, in conduit or thru treatment plantMAXIMUM report only (alert) 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