Indian River Power LLC

NPDES permit DE0050580 · Major NON-POTW · expired, expires 2024-10-31 · 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 2024-10-31 and is expired: 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)
0of 20 forms filed late

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

Reporting

Reports are due about 28 days after each monitoring period ends (the most common figure among DE permits in EPA's filings — check your permit).

Limits in force (35)

OutfallParameterStatisticLimitMonths
027Temperature, water deg. fahrenheitDAILY AV report only all year
027Temperature, water deg. fahrenheitDAILY MX <= 96 deg F all year
027pHDAILY MN >= 6.5 SU all year
027pHDAILY MX <= 8.5 SU all year
027Arsenic, dissolved [as As]DAILY AV report only all year
027Arsenic, dissolved [as As]DAILY MX report only all year
027Chromium, total [as Cr]DAILY AV <= .2 mg/L all year
027Chromium, total [as Cr]DAILY MX <= .2 mg/L all year
027Copper, dissolved [as Cu]DAILY AV <= 4.9 ug/L all year
027Copper, dissolved [as Cu]DAILY MX <= 9.8 ug/L all year
027Nickel, dissolved [as Ni]DAILY AV report only all year
027Nickel, dissolved [as Ni]DAILY MX report only all year
027Silver, dissolved [as Ag]DAILY AV report only all year
027Silver, dissolved [as Ag]DAILY MX report only all year
027Zinc, total [as Zn]DAILY AV <= 1 mg/L all year
027Zinc, total [as Zn]DAILY MX <= 1 mg/L all year
027Selenium, total [as Se]DAILY AV report only all year
027Selenium, total [as Se]DAILY MX report only all year
027Flow, in conduit or thru treatment plantDAILY MX <= 8.5 MGD all year
027Chlorine, free availableDAILY AV <= .2 mg/L all year
027Chlorine, free availableDAILY MX <= .5 mg/L all year
027ChlorinationDAILY MX <= 2 hr/d all year
030pHDAILY MN >= 6.5 SU all year
030pHDAILY MX <= 8.5 SU all year
030Solids, total suspendedDAILY AV <= 30 mg/L all year
030Solids, total suspendedDAILY MX <= 100 mg/L all year
030Solids, total suspendedDAILY AV <= 180 lb/d all year
030Solids, total suspendedDAILY MX <= 600 lb/d all year
030Oil & GreaseDAILY AV <= 10 mg/L all year
030Oil & GreaseDAILY MX <= 15 mg/L all year
030Copper, total [as Cu]DAILY AV <= .5 mg/L all year
030Copper, total [as Cu]DAILY MX <= .5 mg/L all year
030Iron, total [as Fe]DAILY AV <= 1 mg/L all year
030Iron, total [as Fe]DAILY MX <= 1 mg/L all year
030Flow, in conduit or thru treatment plantDAILY MX <= .72 MGD 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