Delaware North Corporation

NPDES permit MA0028941 · Minor NON-POTW · administratively continued, expires 2023-09-30 · 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.

This permit expired on 2023-09-30 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)
1of 19 forms filed late

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

Reporting

Reports are due about 15 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (47)

OutfallParameterStatisticLimitMonths
001Specific conductanceDAILY MX report only all year
001Specific conductanceDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001pHMINIMUM >= 6.5 SU all year
001pHMAXIMUM <= 8.3 SU all year
001pHDAILY MX report only all year
001pHMAXIMUM report only May, Jun, Jul, Aug, Sep, Oct
001Alkalinity, total [as CaCO3]DAILY MX report only all year
001Alkalinity, total [as CaCO3]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Solids, totalDAILY MX report only all year
001Solids, totalDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Solids, total suspendedDAILY MX <= 100 mg/L all year
001Oil & GreaseDAILY MX <= 15 mg/L all year
001Ammonia, unionizedDAILY MX report only all year
001Ammonia, unionizedDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Phosphorus, total [as P]DAILY MX report only all year
001Carbon, tot organic [TOC]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Carbon, tot organic [TOC]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Hardness, total [as CaCO3]DAILY MX report only all year
001Hardness, total [as CaCO3]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Magnesium, total [as Mg]DAILY MX report only all year
001Iron, total [as Fe]DAILY MX report only all year
001Manganese, total [as Mn]DAILY MX report only all year
001Nickel, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Nickel, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Zinc, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Zinc, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Aluminum, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Aluminum, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Cadmium, total recoverableDAILY MX report only all year
001Cadmium, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Lead, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Lead, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Copper, total recoverableDAILY MX report only all year
001Copper, total recoverableDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001E. coli, thermotol, MF, MTECDAILY MX report only all year
001E. coli, thermotol, MF, MTECDAILY MX report only all year
001Flow, in conduit or thru treatment plantMO AVG report only all year
001Flow, in conduit or thru treatment plantDAILY MX <= 16 MGD all year
001Chlorine, total residualDAILY MX report only all year
001Chlorine, total residualDAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Solids, total dissolved [TDS]DAILY MX report only all year
001Solids, total dissolved [TDS]DAILY MX report only May, Jun, Jul, Aug, Sep, Oct
001Chemical oxygen demand [COD]DAILY MX report only all year
001LC50 Static 48Hr Acute Ceriodaphnia dubiaMO AV MN report only all year
001LC50 Static 48Hr Acute Pimephales promelasMO AV MN report only all year
001NOAEL Static 48Hr Acute Ceriodaphnia dubiaMO AV MN report only May, Jun, Jul, Aug, Sep, Oct
001NOAEL Static 48Hr Acute Pimephales promelasMO AV MN report only May, Jun, Jul, Aug, Sep, Oct

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