Is Chester, VT Tap Water Safe to Drink?
Graded A-, with 5 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
85.9/100
waterverge.com Chester, VT — Water Quality Report
Chester's drinking water received a grade of A- (85.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 3,200 residents using groundwater.
Lead levels were measured at 2.5 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 85 violations on record, including 1 health-based violation. 5 remain unresolved.
What to know about Chester's water
Chester ranks #29 out of 105 cities in Vermont for water quality, placing it mid-range in the state.
Chester relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Chester may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Chester, VT water safe to drink?
Chester's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 3,200 residents using groundwater (wells).
Recent water quality updates for Chester
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Chester's water quality assessment. Grade: A- (85.9/100).
Federal disaster declaration (FEMA DR-4720). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3595). Flood event — may have impacted local water infrastructure.
Contaminants: CYANIDE, Nitrate.
Contaminants: Asbestos.
Contaminants: Revised Total Coliform Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Chester's water supply.
Well within EPA limits.
Violation history
Chester's water system has 85 total violations on record, including 1 health-based violation. 5 remain unresolved. 5 violations were issued in the last 5 years.
Flood & environmental risk
Windsor County has experienced 10 federally declared disasters since 1976. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies. Local water sources include Black River, Williams River.
Where does Chester's water come from?
Chester's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 3,200 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Black River (river), Williams River (river).
What Chester residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Chester's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Chester's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Chester
Industrial polluters nearby
Reported releases to surface water by facilities near Chester, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
WHELEN ENGINEERING CHARLESTOWN, NH03603 | — | — | 9.7 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Chester
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- OLD SPRINGFIELD LANDFILL6.5 mi
- BFI SANITARY LANDFILL ROCKINGHAM8.4 mi
Source: EPA Superfund National Priorities List
Drought conditions
D2 — severe droughtWindsor County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Windsor County has experienced 10 federally declared disasters since 1976. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 2.5 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Chester compares by contaminant
Explore where Chester ranks among all Vermont cities for specific contaminants.
Water source & infrastructure
Where Chester's water comes from
Chester's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 3,200 people through 1 water system.
Water bodies near Chester
Chester is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Chester
| System Name | PWSID | Population | Source |
|---|---|---|---|
| CHESTER WATER DEPT | VT0005318 | 3,200 | GW |
How Chester compares
Full Vermont rankings →Chester's score of 85.9/100 is above the average of 77/100 among major Vermont cities. It outscores 6 of 10 nearby cities.
Nearby cities
View Vermont rankings →About Chester, VT
Learn more about your water
Guides and resources related to Chester's water quality findings.
Explore water quality across Windsor
Frequently asked questions
Is Chester, VT tap water safe to drink?
Chester's water quality earned a grade of A- (85.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #29 out of 105 cities tested in Vermont.
What contaminants are in Chester's water?
Lead was measured at 2.5 ppb (90th percentile). 85 violations are on record.
How is Chester's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Chester?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Chester's water come from?
Chester's water is sourced from Groundwater. The city has 1 water system serving approximately 3,200 residents.
What health violations has Chester's water system had?
Chester has 1 health-based violation on record. The most recent violation was recorded in April 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.
Is Chester's groundwater at risk of contamination?
Chester uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 85 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Chester's water compare to other cities?
Chester ranks #29 out of 105 cities in Vermont (better than 72% of state cities) and #5025 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Chester's small water system affect quality?
Chester's system serves approximately 3,200 residents. Small community water systems (under 3,300 people) may have fewer financial resources for infrastructure upgrades and advanced treatment technologies. However, they are held to the same EPA drinking water standards as larger systems. This system has 85 violations on record.