DEMACO CORP.

NPDES permit PR0000086 · Major NON-POTW · administratively continued, expires 2024-01-31 · 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.

This permit expired on 2024-01-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
7of 26 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 (63)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradeDAILY MX <= 32.2 deg C all year
001TurbidityDAILY MX <= 10 NTU all year
001Color [PT-CO units]DAILY MX report only all year
001Oxygen, dissolved [DO]INST MIN >= 4 mg/L all year
001pHMINIMUM >= 7.3 SU all year
001pHMAXIMUM <= 8.5 SU all year
001Solids, total suspendedMO AVG <= 30 mg/L all year
001Solids, total suspendedDAILY MX <= 45 mg/L all year
001Solids, total suspendedMO AVG <= 81.65 kg/d all year
001Solids, total suspendedDAILY MX <= 122.47 kg/d all year
001Solids, settleableDAILY MX report only all year
001Oil & GreaseDAILY MX report only all year
001Nitrogen, total [as N]DAILY MX <= 5000 ug/L all year
001Cadmium, total [as Cd]DAILY MX <= 8.85 ug/L all year
001Nickel, total [as Ni]DAILY MX <= 8.28 ug/L all year
001Zinc, total [as Zn]DAILY MX <= 85.62 ug/L all year
0012-Methyl-4,6-dinitrophenolDAILY MX report only all year
0012-ChlorophenolDAILY MX report only all year
0012,4-DichlorophenolDAILY MX report only all year
0012,4,6-TrichlorophenolDAILY MX report only all year
001Surfactants [MBAS]DAILY MX <= 500 ug/L all year
001PentachlorophenolDAILY MX report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= .027 MGD all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantWKLY AVG report only all year
001Chlorine, total residualDAILY MX <= 7.5 ug/L all year
001Cyanide, free availableDAILY MX <= 1 ug/L all year
001Sulfide-hydrogen sulfide [undissociated]DAILY MX <= 2 ug/L all year
001EnterococciGEO MEAN <= 35 #/100mL all year
001Enterococci90TH % <= 130 #/100mL all year
001Mercury, total [as Hg]DAILY MX <= .051 ug/L all year
002TurbidityDAILY MX report only all year
002Color [PT-CO units]DAILY MX report only all year
002Oxygen, dissolved [DO]INST MIN report only all year
002pHMINIMUM >= 7.3 SU all year
002pHMAXIMUM <= 8.5 SU all year
002Solids, total suspendedDAILY MX report only all year
002Solids, settleableDAILY MX report only all year
002Oil & GreaseDAILY MX report only all year
002Sulfate, total [as SO4]DAILY MX report only all year
002Arsenic, total [as As]DAILY MX report only all year
002Cadmium, total [as Cd]DAILY MX report only all year
002Chromium, hexavalent [as Cr]DAILY MX report only all year
002Copper, total [as Cu]DAILY MX report only all year
002Lead, total [as Pb]DAILY MX report only all year
002Silver, total [as Ag]DAILY MX report only all year
002Zinc, total [as Zn]DAILY MX report only all year
002Selenium, total [as Se]DAILY MX report only all year
0022-Methyl-4,6-dinitrophenolDAILY MX report only all year
0022-ChlorophenolDAILY MX report only all year
0022,4-DichlorophenolDAILY MX report only all year
0022,4-DimethylphenolDAILY MX report only all year
0022,4-DinitrophenolDAILY MX report only all year
0022,4,6-TrichlorophenolDAILY MX report only all year
002PhenolDAILY MX report only all year
002Surfactants [MBAS]DAILY MX report only all year
002PentachlorophenolDAILY MX report only all year
002Cyanide, free availableDAILY MX report only all year
002Sulfide-hydrogen sulfide [undissociated]DAILY MX report only all year
002Solids, total dissolvedDAILY MX report only all year
002Mercury, total [as Hg]DAILY MX report only all year
002Storm water flowMO AVG report only all year
002Storm water flowWKLY AVG 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