Tower Rock Stone Co.

NPDES permit MO0135399 · Minor NON-POTW · effective, expires 2027-04-30 · 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)
1of 23 forms filed late

Last period with anything received: 2026-07-31.

Reporting

Reports are due about 28 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (36)

OutfallParameterStatisticLimitMonths
001Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
001Oxygen demand, chem. [high level] [COD]MO AVG report only all year
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 9 SU all year
001Solids, total suspendedDAILY MX report only all year
001Solids, total suspendedMO AVG report only all year
001Solids, settleableDAILY MX report only all year
001Solids, settleableMO AVG report only all year
001Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
001Oil and grease [soxhlet extr.] tot.MO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
002Oxygen demand, chem. [high level] [COD]DAILY MX report only all year
002Oxygen demand, chem. [high level] [COD]MO AVG report only all year
002pHMINIMUM >= 6.5 SU all year
002pHMAXIMUM <= 9 SU all year
002Solids, total suspendedDAILY MX report only all year
002Solids, total suspendedMO AVG report only all year
002Solids, settleableDAILY MX report only all year
002Solids, settleableMO AVG report only all year
002Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
002Oil and grease [soxhlet extr.] tot.MO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
003pHMINIMUM >= 6.5 SU all year
003pHMAXIMUM <= 9 SU all year
003Solids, total suspendedDAILY MX report only all year
003Solids, total suspendedMO AVG report only all year
003Solids, settleableDAILY MX report only all year
003Solids, settleableMO AVG report only all year
003Oil and grease [soxhlet extr.] tot.DAILY MX report only all year
003Oil and grease [soxhlet extr.] tot.MO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003VolumeTOTAL report only all year
003VolumeMO TOTAL 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