Plymouth Engineered Shapes

NPDES permit KY0099341 · Minor NON-POTW · effective, expires 2030-12-31 · 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)
4of 16 forms filed late

Last period with anything received: 2026-06-30.

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 (52)

OutfallParameterStatisticLimitMonths
002pHMINIMUM >= 6 SU all year
002pHDAILY MX <= 9 SU all year
002Solids, total suspendedMO AVG report only all year
002Solids, total suspendedDAILY MX <= 60 mg/L all year
002Oil & GreaseMO AVG report only all year
002Oil & GreaseDAILY MX <= 15 mg/L all year
002Hardness, total [as CaCO3]MO AVG report only all year
002Hardness, total [as CaCO3]DAILY MX report only all year
002Zinc, total recoverableMO AVG report only all year
002Zinc, total recoverableDAILY MX <= .12 mg/L all year
002Surfactants [MBAS]MO AVG report only all year
002Surfactants [MBAS]DAILY MX report only all year
002Flow, in conduit or thru treatment plantMO AVG report only all year
002Flow, in conduit or thru treatment plantDAILY MX report only all year
003pHMINIMUM >= 6 SU all year
003pHDAILY MX <= 9 SU all year
003Solids, total suspendedMO AVG report only all year
003Solids, total suspendedDAILY MX <= 60 mg/L all year
003Oil & GreaseMO AVG report only all year
003Oil & GreaseDAILY MX <= 15 mg/L all year
003Surfactants [MBAS]MO AVG report only all year
003Surfactants [MBAS]DAILY MX report only all year
003Flow, in conduit or thru treatment plantMO AVG report only all year
003Flow, in conduit or thru treatment plantDAILY MX report only all year
004pHMINIMUM >= 6 SU all year
004pHDAILY MX <= 9 SU all year
004Solids, total suspendedMO AVG report only all year
004Solids, total suspendedDAILY MX <= 60 mg/L all year
004Oil & GreaseMO AVG report only all year
004Oil & GreaseDAILY MX <= 15 mg/L all year
004Hardness, total [as CaCO3]MO AVG report only all year
004Hardness, total [as CaCO3]DAILY MX report only all year
004Zinc, total recoverableMO AVG report only all year
004Zinc, total recoverableDAILY MX <= .12 mg/L all year
004Surfactants [MBAS]MO AVG report only all year
004Surfactants [MBAS]DAILY MX report only all year
004Flow, in conduit or thru treatment plantMO AVG report only all year
004Flow, in conduit or thru treatment plantDAILY MX report only all year
005pHMINIMUM >= 6 SU all year
005pHDAILY MX <= 9 SU all year
005Solids, total suspendedMO AVG report only all year
005Solids, total suspendedDAILY MX <= 60 mg/L all year
005Oil & GreaseMO AVG report only all year
005Oil & GreaseDAILY MX <= 15 mg/L all year
005Hardness, total [as CaCO3]MO AVG report only all year
005Hardness, total [as CaCO3]DAILY MX report only all year
005Zinc, total recoverableMO AVG report only all year
005Zinc, total recoverableDAILY MX <= .12 mg/L all year
005Surfactants [MBAS]MO AVG report only all year
005Surfactants [MBAS]DAILY MX report only all year
005Flow, in conduit or thru treatment plantMO AVG report only all year
005Flow, 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