Essex water comes from the Champlain Water District at 60 mg/L with chloramine, and local glass takes spring pollen and snow and ice damage each winter.
Essex drinks Champlain Water District water drawn from one deep intake in Shelburne Bay, soft at 60 mg/L and treated with chloramine, the same as most of the county. What sets Essex apart is the semiconductor plant and the old rail junction, where two municipalities now share the street grid and permits and sidewalk staging move a commercial quote more than the glass does. Homes do best in June, August or September, when a single-story exterior runs $240 to $400.
The district gives its treated Lake Champlain water as 3.6 grains per gallon, about 60 mg/L, meaning the district's treated lake water behaves consistently on glass year-round.
| Hardness | 60 mg/L as CaCO₃ 3.6 grains per gallon, in the district's own units, as published by Champlain Water District. |
|---|---|
| pH | 7.64 (range 7.48–7.85) |
| Manganese | 0.005 mg/L (range 0.002–0.008) |
| Chloride | 19 mg/L (range 18–21) |
| Disinfectant | chloramine |
| Source and treatment | Shelburne Bay on Lake Champlain, drawn from a deep-water intake offshore; the district states the bay holds 33 billion gallons, and runs a watershed management programme for source protection · Filtration and primary disinfection at the Peter L. Jacob Water Treatment Facility, using free chlorine for inactivation, with corrosion control and disinfection by-product control maintained across the countywide service area. The facility has held Excellence in Water Treatment status for 26 years. · No softening step. |
Not in the report: alkalinity, corrosion index, iron, sodium and total dissolved solids.
SOURCE · Champlain Water District 2025 Annual Water Quality Report, Peter L. Jacob facility (champlainwater.org), with the EPA SDWIS federal treatment record, PWS VT0005092 · How we source these numbers
Essex sits between maple and birch pollen in May and Winooski valley field dust after it, so the wash goes in between them.
VERMONT SEASON BY SEASON →Essex shares its water with most of Chittenden County — one deep-water intake in Shelburne Bay feeds the whole district — so nothing about the water here distinguishes Essex from its neighbours. What does is the semiconductor fab, the rail junction the place is named after, and the fact that half of what people still call Essex is now a separate city.
The supply is not a local one. Champlain Water District draws from an intake sited far offshore in Shelburne Bay, deliberately away from shoreline contamination, and treats it at the Peter L. Jacob facility before distributing it across the county — Essex is at the eastern edge of that service area, near Jericho.
That plant has held Partnership for Safe Water 'Excellence in Water Treatment' recognition every year from 1999 through 2024 and was the first utility in the country to earn it, which in practice means unusually consistent finished water: the same wash behaves the same way in March and in August.
The district finishes with monochloramine rather than free chlorine. Chloraminated water is gentler on skin and equipment over a long day than heavily chlorinated supply, and it does not gas off the way free chlorine does when it sits in a bucket in the sun.
Essex Junction stopped being a village inside the Town of Essex and became a city in its own right in 2022. Two municipalities now share the name and the street grid, which matters for permits, sidewalk staging and who to call about a commercial frontage.
The GlobalFoundries fab in the Junction is the largest private employer in the area and it sets the commercial character: large-format industrial glazing, controlled-access sites, and rooftop plant that puts exhaust film on nearby glass rather than ordinary road grime.
The name is literal — five rail lines met here, and the older commercial core grew tight against the tracks. Frontage in that core has minimal setback and freight vibration is a real consideration for old putty-glazed sash.
Chittenden County runs a compressed exterior season. Lake Champlain moderates the shoulder months slightly compared with central Vermont, but hard freeze still closes residential exterior work from roughly December through February.
Spring here is a two-stage load: maple and birch pollen through May, then the agricultural dust off the Winooski valley flats once fields dry. A wash between the two is the one that holds into summer.
Two municipalities now share this street grid, and permits and sidewalk staging in the Junction move a commercial quote more than the glass does.
Fab-campus and rail-corridor commercial frontage needs controlled access and insurance a homeowner cannot supply.
OPEN COST ESTIMATOR →2025 annual mean at the Proctor Maple Research CTR monitor, 58 Harvey Road, Underhill, Vermont, 14.4 km east of the city (EPA site 50-007-0007).
Largest air release: Globalfoundries U.S. 2 LLC - Vermont Facility, 1000 River ST (computers and electronic products), 1.1 km outside the city limits, 31,170 lb in 2024.
Drawing water from a Town of Essex hydrant takes a signed hydrant use permit approved by the Public Works Director, at least 24 hours' notice, a service fee of $25 or $50 depending on the hydrant, and payment for every gallon taken at the town rate, with meter readings logged at the start and end of use.
Town of Essex Hydrant Use Permit and policy · checked September 2026
The Town of Essex stormwater ordinance prohibits discharging into the municipal storm drain system or watercourses any materials, including polluted water, other than storm water. Its exemptions cover lawn watering, potable water flushing and non-commercial vehicle washing, not building washing, so a window crew's soapy runoff falls outside them.
Town of Essex Municipal Code §10.20.052: discharge prohibitions · checked September 2026
The Town of Essex zones the Fort Ethan Allen area as a Historic Preservation-Design Control district, where the Planning Commission reviews development and structural alterations under the 1986 design standards; windows are a named criterion, since the width-to-height of windows and the rhythm of openings on front facades must match the district's historic buildings.
Town of Essex Zoning Regulations Table 2.15: Historic Preservation-Design Control District (effective October 9, 2023) · checked September 2026
Late-winter and early-spring ice-melt residue carries chloride-residue, mineral residue, and organic residue composite. Ice-dam meltwater residue from roof-edge ice damming produces a distinctive composite residue on upper-pane and sash-perimeter glass. Percarbonate-citric ladder protocol required on the worst-affected stock. Same handling pattern Linnea Jorgensen documents for Minnesota.
The district gives its treated Lake Champlain water as 3.6 grains per gallon, about 60 mg/L, meaning the district's treated lake water behaves consistently on glass year-round.
Residential window cleaning in Essex typically runs $8–13 per pane or $240–400 for a standard single-story exterior. Two municipalities now share this street grid, and permits and sidewalk staging in the Junction move a commercial quote more than the glass does.
Essex's drier, frost-free months are June and August and September, by NOAA's 1991–2020 normals for the Burlington International Airport station, where July brings the most rain. The calendar on this page marks June (after the May 18 bloom and after smoke season). Frost nights usually run from October 15 to April 29.
Usually yes: Champlain Water District publishes hardness of 60 mg/L, low enough that tap-rinsed glass tends to dry clean. Iron, manganese, sodium and chloride all sit under this site's flags (highest: chloride up to 19 mg/L). It draws on Shelburne Bay on Lake Champlain, drawn from a deep-water intake offshore.
In Essex the dominant residue patterns include new england pollen wave and snow and ice damage. Essex sits between maple and birch pollen in May and Winooski valley field dust after it, so the wash goes in between them.
Fab-campus and rail-corridor commercial frontage needs controlled access and insurance a homeowner cannot supply.
Just over the Vermont line