MONONGAHELA POWER COMPANY

NPDES permit WV0050776 · Minor NON-POTW · effective, expires 2029-01-18 · EPA's file as of 2026-09-26

Keep this permit as a site — opens New site at EPA's facility point (39.5417, -80.0917); you set the radius.

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.

These are the last limits EPA's file holds for this permit, from an earlier version of it (version 0 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.

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

0values over a limit
0required values missing, on 0 form(s)
0of 4 forms filed late

Last period with anything received: 2025-11-30.

Reporting

Reports are due about 25 days after each monitoring period ends (the most common figure among WV permits in EPA's filings — check your permit).

How strict are these limits?

Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.

Limits in force (56)

OutfallParameterStatisticLimitMonths
006pHinstantaneous minimum >= 6 SU all year
006pHinstantaneous maximum <= 9 SU all year
006Solids, total suspendedmonthly average report only all year
006Solids, total suspendeddaily maximum report only all year
006Cyanide, free [amenable to chlorination]monthly average report only all year
006Cyanide, free [amenable to chlorination]daily maximum report only all year
006Hardness, total [as CaCO3]monthly average report only all year
006Hardness, total [as CaCO3]daily maximum report only all year
006Magnesium, total [as Mg]monthly average report only all year
006Magnesium, total [as Mg]daily maximum report only all year
006Arsenic, total recoverablemonthly average report only all year
006Arsenic, total recoverabledaily maximum report only all year
006Iron, total recoverablemonthly average report only all year
006Iron, total recoverabledaily maximum report only all year
006Beryllium, total recoverable [as Be]monthly average report only all year
006Beryllium, total recoverable [as Be]daily maximum report only all year
006Barium, total [as Ba]monthly average report only all year
006Barium, total [as Ba]daily maximum report only all year
006Boron, total [as B]monthly average report only all year
006Boron, total [as B]daily maximum report only all year
006Chromium, hexavalent [as Cr]monthly average report only all year
006Chromium, hexavalent [as Cr]daily maximum report only all year
006Thallium, total [as Tl]monthly average report only all year
006Thallium, total [as Tl]daily maximum report only all year
006Molybdenum, total [as Mo]monthly average report only all year
006Molybdenum, total [as Mo]daily maximum report only all year
006Nickel, total recoverablemonthly average report only all year
006Nickel, total recoverabledaily maximum report only all year
006Zinc, total recoverablemonthly average report only all year
006Zinc, total recoverabledaily maximum report only all year
006Antimony, total [as Sb]monthly average report only all year
006Antimony, total [as Sb]daily maximum report only all year
006Aluminum, total recoverablemonthly average <= .59 mg/L all year
006Aluminum, total recoverabledaily maximum <= 2.1 mg/L all year
006Cadmium, total recoverablemonthly average report only all year
006Cadmium, total recoverabledaily maximum report only all year
006Lead, total recoverablemonthly average report only all year
006Lead, total recoverabledaily maximum report only all year
006Selenium, total [as Se]monthly average report only all year
006Selenium, total [as Se]daily maximum report only all year
006Titanium, total [as Ti]monthly average report only all year
006Titanium, total [as Ti]daily maximum report only all year
006Flow, in conduit or thru treatment plantmonthly average report only all year
006Flow, in conduit or thru treatment plantdaily maximum report only all year
006Toxicity [chronic], Ceriodaphnia dubiamonthly average report only all year
006Toxicity [chronic], Ceriodaphnia dubiadaily maximum report only all year
006Toxicity [chronic], Pimephales promelas [Fathead Minnow]monthly average report only all year
006Toxicity [chronic], Pimephales promelas [Fathead Minnow]daily maximum report only all year
006Solids, total dissolvedmonthly average report only all year
006Solids, total dissolveddaily maximum report only all year
006Bromide [as Br]monthly average report only all year
006Bromide [as Br]daily maximum report only all year
006Mercury, total [as Hg]monthly average <= .04 ug/L all year
006Mercury, total [as Hg]daily maximum <= .1 ug/L all year
006Sulfatemonthly average report only all year
006Sulfatedaily maximum 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