MONTPELIER WASTEWATER TREATMENT FACILITY

Address

949 DOG RIVER ROAD
MONTPELIER, VT 05602
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County

WASHINGTON County

Industry

Utilities

NAICS (North American Industry Classification)

221320

Inspections

3 · last Aug 7, 2025

Total Penalties

$0

Registry ID

110000547374

Compliance Status (Last 12 Quarters)

Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.

4

Water (CWA)
Qtrs Non-Compliant

0

Hazardous Waste (RCRA)
Qtrs Non-Compliant

Compliance Violations

Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.

Program	Type	Violation Date	Return to Compliance	Status
cwa	Schedule Event achieved late but reported	Jan 31, 2024	—	Open
cwa	Schedule Event unachieved but reported	Jan 31, 2024	Jan 31, 2025	Resolved
cwa	Schedule Event unachieved and not reported	Jan 31, 2024	Jan 31, 2025	Resolved
cwa	Schedule Event reported late	Jan 31, 2024	—	Open
cwa	Schedule Event unachieved and not reported	Dec 31, 2020	Feb 1, 2021	Resolved
cwa	Schedule Event reported late	Dec 31, 2020	—	Open
cwa	Schedule Event achieved late but reported	Dec 31, 2020	—	Open
cwa	Schedule Event unachieved but reported	Dec 31, 2020	Jan 31, 2021	Resolved
cwa	Schedule Event unachieved but reported	Jan 31, 2020	Sep 30, 2020	Resolved
cwa	Schedule Event reported late	Jan 31, 2020	—	Open
cwa	Schedule Event achieved late but reported	Jan 31, 2020	—	Open
cwa	Schedule Event unachieved and not reported	Jan 31, 2020	Sep 30, 2020	Resolved
cwa	Schedule Event reported late	Jan 31, 2018	—	Open
cwa	Schedule Event reported late	Dec 31, 2017	—	Open
cwa	WW SSO - Discharge to Waters	Mar 28, 2013	Mar 29, 2013	Resolved
cwa	WW CSO - Dry weather overflow	Mar 11, 2013	Mar 11, 2013	Resolved
cwa	Schedule Event unachieved and not reported	Dec 31, 2008	Mar 31, 2009	Resolved

Discharge Limit Exceedances

Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.

Pollutant	Violation	Reported	Limit	Exceedance	Period	Status
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	133.30 MPN/100mL	77.00	+73%	Aug 2023	Open
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	190.00 MPN/100mL	77.00	+147%	Apr 2022	Open
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	690.00 MPN/100mL	77.00	+796%	Jun 2021	Open
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	400.00 MPN/100mL	77.00	+419%	Mar 2021	Open
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	95.00 MPN/100mL	77.00	+23%	Nov 2020	Open
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	120.00 MPN/100mL	77.00	+56%	Oct 2019	Open
E. coli, thermotol, MF, MTEC	DMR, Limited - Numeric Violation	170.00 MPN/100mL	77.00	+121%	Apr 2019	Open
Phosphorus, total [as P]	DMR, Limited - Numeric Violation	3.00 mg/L	0.80	+275%	Aug 2015	Open

Enforcement Actions

Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.

State CWA Non Penalty AO

Clean Water Act · Case VT-N00000061 · Sep 25, 2012

State CWA Non Penalty AO

Clean Water Act · Case VT-N00000087 · Jan 8, 2008

State CWA Non Penalty AO

Clean Water Act · Case VT-N00000065 · Mar 19, 2002

State CWA Non Penalty AO

Clean Water Act · Case VT-N00000047 · Apr 29, 1992

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