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Read. Follow. Verify.Vermont Senate bill overhauls three-acre stormwater permit rules and site visits
Last action · January 23, 2026: Read 1st time & referred to Committee on Natural Resources and EnergySponsors: Terry Williams and 13 others
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What This Bill Would Do
Senator Terry Williams introduced S. 303 to overhaul Vermont's three-acre stormwater discharge permit by requiring on-site parcel inspections, ranking parcels by water quality impact, and pausing current permit requirements. The bill requires the Agency of Natural Resources to prioritize permits for the top 10 percent most impactful parcels, excludes municipal and State roads from private calculations, and prohibits permit failures from creating property title s.
Property owners with three or more acres of will see current permit obligations paused, on-site inspections conducted, and new compliance deadlines set for October 1, 2028 or October 1, 2038 based on watershed severity rankings. Sellers of regulated properties must provide disclosure forms at least 72 hours before contract execution.
- The three-acre stormwater discharge permit in Vermont was initially established under 2015 Acts and Resolves No. 64 to reduce stormwater runoff pollution into state waterways. context
Who It Would Affect
Groups the bill's text would affect if enacted, as described in the record. Being affected is not a position for or against it.
Property owners with three or more acres of impervious surface
Current permitting requirements are paused, on-site inspections will be conducted on their parcels, and new compliance deadlines will apply based on water quality severity rankings.
Property buyers and sellers
Sellers of properties subject to the three-acre stormwater permit must provide a written disclosure to buyers at least 72 hours before executing a purchase contract.
Municipalities and State transportation agencies
Public roads maintained by municipalities or the State are explicitly excluded from being calculated as impervious surface on adjacent private properties.
Key Facts
- The Agency of Natural Resources must conduct an on-site visit of every parcel identified by GIS data as subject to the three-acre stormwater permit to verify the presence of three or more acres of impervious surface.
- The bill repeals the current permitting schedule for three-acre stormwater discharges and pauses pending permit requirements until new rules and general permits are adopted.
- ANR must rank all confirmed parcels based on severity of impact to water quality using proximity to water, slope, soil type, and drainage characteristics.
- Initial permits will only be required for parcels ranked in the top 10 percent of water quality impact.
Show all 10 facts
- Remaining parcels must obtain permit coverage by October 1, 2028 for the Lake Champlain, Lake Memphremagog, or stormwater-impaired water watersheds, and by October 1, 2038 or within five years of a waste-load allocation for all other watersheds.
- Public roads maintained by municipalities or the State are excluded from calculating impervious surface on private properties.
- Failure to obtain or comply with a three-acre stormwater permit does not create an encumbrance or cloud on real estate title.
- Property owners selling land subject to the permit must disclose this to buyers at least 72 hours prior to contract execution using a form prepared by ANR.
- ANR must conduct at least one public hearing in every county of the State within 120 days of the act's effective date.
- The bill establishes an enforcement safe harbor for construction between July 1, 2022 and January 1, 2026 of between half an acre and one acre of impervious surface if municipal permits were received without notice of lower thresholds.
Frequently Asked Questions
Does failing to get a three-acre stormwater permit ruin my property's title?
When do property owners in the Lake Champlain watershed need to comply?
Are public roads counted toward private property impervious surface totals?
What else do you want to know?
News Coverage
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Votes, people, money & the original sourceWhere This Stands
Currently in committee. The next step in the legislative lifecycle is Floor Vote.
Procedural history
1 action- Jan 23, 2026SenateIntroducedRead 1st time & referred to Committee on Natural Resources and Energy
Version history
Only one version on file - nothing to compare yet. As later stages (committee substitute, engrossed, enrolled) are captured, the redline appears here.
View official text →Lobbying Activity
No state lobbying filings in our records match this bill. Federal lobbying reports (LDA) cover Congress, so they are not listed on state bills.
Full breakdown
Who this bill affects and the strongest case for and against it, written only from the bill’s own text.
Sponsors
Discoveries
Patterns POLISCOPE noticed across the record. These are observations to investigate, not conclusions.
Shift from GIS-Only Data to On-Site Verification
The legislation marks a direct policy shift away from relying solely on remote geographic information system mapping toward mandatory physical site inspections for stormwater permits.
Connected Entities
Sources
legislature.vermont.gov
Analysis Score
0–100- Significance75How much this matters to a regular citizen
- Controversy60Intensity of disagreement among stakeholders
- Entertainment10Compellingness for a non-policy-wonk reader
- Buzz45Current news / social attention level
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