Signal Mountain Cement Company dba Buzzi Unicem USA

NPDES permit TN0001830 · Minor NON-POTW · effective, expires 2029-07-31 · 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 20 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 (15)

OutfallParameterStatisticLimitMonths
001pHMINIMUM >= 6 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX <= 50 mg/L all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
SW2pHMINIMUM >= 5 SU (alert) Mar, Jun, Sep, Dec
SW2pHMAXIMUM <= 9 SU (alert) Mar, Jun, Sep, Dec
SW2Solids, total suspendedDAILY MX <= 150 mg/L (alert) Mar, Jun, Sep, Dec
SW2Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
SW2Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec
SW3pHMINIMUM >= 5 SU (alert) Mar, Jun, Sep, Dec
SW3pHMAXIMUM <= 9 SU (alert) Mar, Jun, Sep, Dec
SW3Solids, total suspendedDAILY MX <= 150 mg/L (alert) Mar, Jun, Sep, Dec
SW3Flow, in conduit or thru treatment plantMO AVG report only Mar, Jun, Sep, Dec
SW3Flow, in conduit or thru treatment plantDAILY MX report only Mar, Jun, Sep, Dec

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