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Vermont / Waters /

Dog River

River in Vermont, past Berlin, Montpelier, Northfield, Roxbury and Warren

Current status

No current status shown

No current status is assigned to this water outline. Check the water page for reports and any estimated downstream stretches. Why this status, and its source

This badge describes the water outline. Check the downstream stretches on the map and below for discharge statuses.

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

Conditions

At the Dog River at Northfield Falls, VT gauge, on this water: flow 13.7 cubic feet per second (Nov 2, 2026, 3:30 PM EST).

Water level 0.7 feet. The National Weather Service flood stage at this gauge is 8 feet (National Weather Service gauge page).

Conditions are measured at the gauge, not at this spot, and do not change the status.

Source: U.S. Geological Survey via Water Data for the Nation, gauge 04287000, reading Nov 2, 2026, 3:30 PM EST, retrieved 2026-11-02 21:22 UTC; flood stage: NOAA National Weather Service, gauge NFFV1. Gauge chosen by DirtyWaterWatch. · Readings and history at USGS

Radar rainfall, last 24 hours: 0 in (to Nov 2, 2026, 4:00 PM EST). NOAA radar estimate.

Get alerts from Town of Northfield WWTF, East St CSO · Bookmark this water page and check it before each trip · Report a missing notice or error

About this status

Why this status: No current status: no report we track sets a status on this water outline now.

How long each status lasts, and why

Sources checked: NOAA MRMS radar-only rainfall estimate (QPE), 1 to 72 hours, ImageServer (last successful check 2026-11-02 21:26 UTC); VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page (last successful check 2026-11-02 21:22 UTC). Status by DirtyWaterWatch, updated 2026-11-02 21:26 UTC.

No status does not mean the water is safe. Follow posted signs and local health advice.

Updated .

Estimated downstream stretches on Dog River

No downstream stretch has a current status here as of Nov 2, 2026, 4:26 PM EST. Check the reports below.

The last 90 days

Last 90 days, hour by hour. Red: discharge or advisory reported. Amber: caution. Hatched amber: end not confirmed. Grey: no current status on the water outline. Purple hatching: source update overdue.

No discharge, advisory or caution periods are shown for this water in this time span. Check downstream stretches and source coverage.

Source: DirtyWaterWatch calculations using the reports named above and the published status rules. Updated 2026-11-02 21:26 UTC.

Reported discharges over time

  • Discharges affecting the Dog River in Vermont, last 12 months1010 affecting this stretch: 0 reported in Vermont, 10 arriving from upstream outfalls in VermontDecember 2025 to November 2026Verified reports where available, else notices; revisions and duplicates counted once. Arriving discharges are estimated from modeled downstream reaches.
  • Days with a discharge affecting the Dog River in Vermont, last 12 months9Reported on the Dog River in Vermont: 0 · Arriving from outfalls upstream in Vermont, estimated: 9December 2025 to November 2026A day counts once however many discharges were under way on it. Verified reports where available, else notices; revisions and duplicates counted once.
  • Hours with a discharge or advisory status on the Dog River in Vermont, last 12 months359Reported on the Dog River in Vermont: 0 · Arriving from outfalls upstream in Vermont, estimated: 359December 2025 to November 2026Red hours by the map's rules: each discharge to its reported end plus the state's post-discharge period; overlapping hours count once.
  • 2026 season with a discharge or advisory status on the Dog River in Vermont5.8%May to October 2026Share of May 1 to October 31 hours with red status by the map's rules, of the hours a source covered.
  • Records behind the last-90-days strip for the Dog River in Vermont0Reported on the Dog River in Vermont: 0 · Arriving from outfalls upstream in Vermont, estimated: 0last 90 daysEvery distinct record the strip lists for its red, yellow and unresolved hours, notices and unresolved reports included; counted as the strip counts them.

Combined sewer overflow (CSO): sewage mixed with rainwater spills from a shared sewer system. Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater. Treatment bypass: wastewater skips one or more treatment steps. Blended discharge: wastewater that skipped some treatment is mixed with treated wastewater. Outfall: a pipe or outlet where wastewater enters a water body.

Reported discharges per month

66 reported discharges, January 2022 to November 2026. Counted from 66 source-confirmed or annual reports.

  • Combined sewer overflow
  • Sanitary sewer overflow
  • Treatment bypass, blended or other

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 1, 2022 to November 2, 2026.

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Hours with a discharge or advisory status per month

Hours when this water had a discharge or advisory status under DirtyWaterWatch rules.

  • Discharge or advisory reported

6 discharge reports have no end time and are not marked ongoing; under DirtyWaterWatch rules they show caution, not a discharge or advisory status, and add no hours here.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

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Days with a reported discharge per month

A day counts when any counted discharge was under way on it, from its start to its reported end in Eastern Time; a report with no end counts its start day.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 1, 2022 to November 2, 2026.

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Reported discharges per year, 2016 to 2026

155 reported discharges, 2016 to 2026.

  • Combined sewer overflow
  • Sanitary sewer overflow
  • Treatment bypass, blended or other
  • Incomplete source coverage

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

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Reported volume per year

Gallons (axis: K thousand, M million), summed from the 50 reports that gave a volume as a number (105 did not).

  • Incomplete source coverage

105 of 155 discharge reports gave no volume as a number (102 gave a range); only numbers are summed. Vermont gave volumes as ranges before 2024 (">10,000 to 100,000 gallons"); those records have no single number and are not summed.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

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Hours with a discharge or advisory status per year

Hours with a discharge or advisory status each year under DirtyWaterWatch rules; 2026 to date.

  • Discharge or advisory reported
  • Incomplete source coverage

6 discharge reports have no end time and are not marked ongoing; under DirtyWaterWatch rules they show caution, not a discharge or advisory status, and add no hours here.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

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Share of the May to October season with a discharge or advisory status

Share of the hours from May 1 to October 31 with a discharge or advisory status under DirtyWaterWatch rules.

  • Discharge or advisory reported

6 discharge reports have no end time and are not marked ongoing; under DirtyWaterWatch rules they show caution, not a discharge or advisory status, and add no hours here.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

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Reported discharges by calendar month, all years

Every counted discharge report, by the calendar month it began.

Months are summed over every year a tracked source covers; the table gives the number of years behind each month.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

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Reported discharges by wastewater outlet

Wastewater outlets with the most tracked discharge records: 10 of 15, all years. Counts depend on reporting coverage and do not measure legal compliance or harm.

Source: Vermont Department of Environmental Conservation sewage overflow page. Records cover January 5, 2016 to November 2, 2026.

Show table
How these charts are counted

We count each discharge once. Where a source publishes notices and confirmed reports, we use confirmed reports for an operator's month when available; otherwise we use notices. We combine revisions and exclude duplicate state reports copied by the U.S. Environmental Protection Agency (EPA). Monthly and yearly totals appear separately. Status hours follow this site's rules. Shaded gaps mean missing coverage, not zero discharges.

  • Vermont Department of Environmental Conservation sewage overflow page: records from January 5, 2016 to the latest update

Reports linked to Dog River

Reports linked to Dog River, newest first
StartEnd Sewer operator OutletTypeVolumeSourceLinks
Aug 4, 2020, 5:00 PM EDT Aug 4, 2020, 6:30 PM EDT Northfield CSO Outfall Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:5899, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Dec 9, 2019, 8:00 AM EST Dec 9, 2019, 8:00 AM EST Northfield Sewer Treatment Plant Report not fully read “Other” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4803, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Aug 6, 2019, 7:00 PM EDT Aug 6, 2019, 8:30 PM EDT Northfield East St. Combined sewer overflow (CSO) “>1,000 to 10,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4675, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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start not reported (reported Apr 9, 2019, 9:48 AM EDT) end not reported Montpelier 949 Dog River Road Report not fully readEarlier version volume not reported Montpelier (operator public alert on the VT DEC Sewage Overflows page; not yet reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record alert:1343, reported Apr 9, 2019, 9:48 AM EDT, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Apr 9, 2019, 6:30 AM EDT Apr 9, 2019, 7:05 AM EDT Montpelier 949 Dog River Road Treatment plant bypass 100 gallons Montpelier (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4561, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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start not reported (reported Dec 7, 2018, 7:57 AM EST) end not reported Northfield Wastewater Treatment Plant Treatment bypass volume not reported Northfield (operator public alert on the VT DEC Sewage Overflows page; not yet reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record alert:1308, reported Dec 7, 2018, 7:57 AM EST, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Dec 5, 2018, 8:00 AM EST Dec 5, 2018, 8:10 AM EST Northfield 001 CSO1 Combined sewer overflow (CSO) “>10,000 to 100,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:5990, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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start not reported (reported Oct 12, 2018, 10:12 AM EDT) end not reported Northfield 242 Dog River Drive outfall Report not fully read volume not reported Northfield (operator public alert on the VT DEC Sewage Overflows page; not yet reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record alert:1290, reported Oct 12, 2018, 10:12 AM EDT, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Oct 10, 2018, 7:35 AM EDT Oct 10, 2018, 10:55 AM EDT Northfield 242 Dogriver Drive Effluent Outfall Treatment plant bypass “>10,000 to 100,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4500, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Sep 6, 2018, 9:30 AM EDT Sep 6, 2018, 9:45 AM EDT Northfield East Street outfall Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4458, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Jul 23, 2018, 2:18 PM EDT Jul 23, 2018, 2:45 AM EDT Northfield East St. CSO Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4404, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Jul 6, 2018, 8:15 AM EDT Jul 6, 2018, 8:45 AM EDT Northfield East St.. Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4400, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Jul 6, 2018, 4:00 AM EDT Jul 6, 2018, 4:30 AM EDT Northfield East St. Sanitary sewer overflow (SSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4399, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Jun 18, 2018, 5:00 PM EDT Jun 18, 2018, 5:10 PM EDT Northfield East St. overflow Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4378, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Aug 3, 2017, 5:48 PM EDT Aug 3, 2017, 6:00 PM EDT Northfield East St. Sanitary sewer overflow (SSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:4264, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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start not reported (reported Aug 15, 2016, 7:17 AM EDT) end not reported Northfield East St over flow 004 Report not fully read volume not reported Northfield (operator public alert on the VT DEC Sewage Overflows page; not yet reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record alert:29, reported Aug 15, 2016, 7:17 AM EDT, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Aug 12, 2016, 7:00 PM EDT Aug 13, 2016, 7:00 AM EDT Northfield East St Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:3079, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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start not reported (reported Jul 19, 2016, 7:26 AM EDT) end not reported Northfield 004 East St. CSO-004 Combined sewer overflow (CSO)Earlier version volume not reported Northfield (operator public alert on the VT DEC Sewage Overflows page; not yet reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record alert:22, reported Jul 19, 2016, 7:26 AM EDT, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Jul 18, 2016, 6:20 PM EDT Jul 18, 2016, 6:30 PM EDT Northfield 004 East St. CSO 004 Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:3070, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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start not reported (reported Jul 5, 2016, 9:27 AM EDT) end not reported Northfield 003 East St. CSO-003 Combined sewer overflow (CSO) volume not reported Northfield (operator public alert on the VT DEC Sewage Overflows page; not yet reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record alert:18, reported Jul 5, 2016, 9:27 AM EDT, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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Jul 1, 2016, 7:00 PM EDT Jul 1, 2016, 8:00 PM EDT Northfield 004 East St. CSO -004 Combined sewer overflow (CSO) “>100 to 1,000 gallons” Northfield (incident report on the VT DEC Sewage Overflows page; reviewed by DEC) via VT DEC Public Alerts (untreated discharge alerts) on the Sewage Overflows report page, record incident:3063, the source gives no report time, retrieved 2026-11-02 10:55 UTC · Read the original notice Open record below · Map
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All reports in Vermont by year: 2020 (1 here) · 2019 (4 here) · 2018 (9 here) · 2017 (1 here) · 2016 (6 here)

Wastewater outlets on this water

Outfall: a pipe or outlet where wastewater enters a water body.

No wastewater outlet in our records is linked to this water.

Sewer operators listed for this water: Town of Northfield WWTF, East St CSO, City of Montpelier Water Resource Recovery Facility combined sewer system.

Boat launches

No public boat launch is listed in our records for this water.

Nearby waters

Sources covering this water

21 records linked to this water. Updated .