DirtyWaterWatch

Maine / Dischargers /

Town of Skowhegan WWTP

CSO · Maine · Skowhegan

NPDES permit
ME0100625
Outfalls
5 with coordinates in the registry
Receiving waters
Kennebec River
Tracked waters
Kennebec River, ME
Events tracked
0 discharges
Volume reported
no volumes reported

Source: discharger record from the project's research and EPA ECHO (dischargers.json); counts from the 0 event records below, as of 2026-11-02 11:56 UTC.

How it tells the public

2026 permit renewal (EPA-posted copy fetched) lists five active CSOs in Special Condition K plus a CSO-related primary-clarifier bypass (Outfall 001B, reported on DEP-49-CSO form). No event notification condition found. Website check 2026-11-01: skowhegan.org homepage scanned; no CSO links.

Source: the project's research on each operator's notification channel (research/<state>/dischargers.json), checked by fetching the operator's pages.

Outfalls

Source: water outlines from OpenBoatLaunch and OpenStreetMap contributors (ODbL); outfalls from EPA ECHO and the state outfall layers; modeled reaches computed by DirtyWaterWatch from USGS NLDI, NHDPlus and the nearest USGS gauge (Jobson 1996); basemap OpenFreeMap and OpenMapTiles.

5 outfalls in the registry
  • 003 FOOT BRIDGE - NORTH · CSO · Kennebec River
  • 005 ELM STREET PS · CSO · Kennebec River
  • 008 FOOT BRIDGE - SOUTH · CSO · Kennebec River
  • 010 WATER ST/NORTH AVE · CSO · Kennebec River
  • 007 Water Street/ High Street · CLS · Kennebec River

Source: EPA ECHO CSO outfall inventory matched to waters (data/outfalls-ne.json).

Event history

Events reported for Town of Skowhegan WWTP, newest first
StartEnd Water OutfallTypeVolumeSourceLinks
2024 2025 Kennebec River, ME not stated Annual total 910,000 gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2025, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2023 2024 Kennebec River, ME not stated Annual total 2.45 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2024, published Jun 29, 2025, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2022 2023 Kennebec River, ME not stated Annual total 7.93 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2023, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2021 2022 Kennebec River, ME not stated Annual total 1.74 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2022, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2020 2021 Kennebec River, ME not stated Annual total 252,870 gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2021, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2019 2020 Kennebec River, ME not stated Annual total 1.07 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2020, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2018 2019 Kennebec River, ME not stated Annual total 1.71 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2019, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2017 2018 Kennebec River, ME not stated Annual total 4.38 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2018, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2016 2017 Kennebec River, ME not stated Annual total 738,844 gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2017, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2015 2016 Kennebec River, ME not stated Annual total 4.17 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2016, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2014 2015 Kennebec River, ME not stated Annual total 6.79 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2015, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2013 2014 Kennebec River, ME not stated Annual total 3.86 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2014, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2012 2013 Kennebec River, ME not stated Annual total 4.75 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2013, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2011 2012 Kennebec River, ME not stated Annual total 4.24 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2012, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

2010 2011 Kennebec River, ME not stated Annual total 4.76 million gal Maine DEP CSO Status Report via Maine DEP Maine Combined Sewer Overflow Status Report (annual; latest = 2025 report, June 2026), record ME0100625:2011, published Jun 29, 2026, 8:00 PM EDT, retrieved 2026-11-02 11:54 UTC · notice
Full record (older than 180 days, so no page of its own)

This record in the archive list

History

Reported yearly totals: Maine DEP CSO status reports (annual totals)

Maine DEP reports one total per community and year (all of its CSO outfalls); it is shown in full on each water the community's outfalls reach. Event-days: calendar days with any CSO discharge in the community. Source: Maine DEP CSO status reports (annual totals). Covered 2011-01-01 to 2025-12-31.

Reported volume

Gallons per year.

Show table
Reported volume
YearReported volume
20114,757,994 gal
20124,238,875 gal
20134,746,538 gal
20143,861,193 gal
20156,786,698 gal
20164,168,672 gal
2017738,844 gal
20184,379,019 gal
20191,711,809 gal
20201,073,711 gal
2021252,870 gal
20221,742,309 gal
20237,928,889 gal
20242,448,510 gal
2025910,000 gal

Days with a CSO discharge

Days per year.

Show table
Days with a CSO discharge
YearDays with a CSO discharge
201121
201225
201336
201428
201520
201623
201723
201821
201923
202021
202116
20224
20237
20246
20257
How these charts are counted

Discharge events are counted once: where a source publishes both public notices and verified reports (MassDEP, Vermont DEC), a discharger's month with any verified report counts its verified reports only, and other months count notices. Revisions are folded into the record they revise, and EPA copies of a state report are not counted twice. Monthly and yearly totals (Maine DEP, EPA discharge monitoring reports, Portsmouth) are shown on their own and never added to the event counts. Hours under advisory follow the map's red rules. A muted band marks periods no source covers: a gap there is missing data, not a quiet month.