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WaterVerge

Water quality report · updated Jul 2026

Is Chaumont (V), NY Tap Water Safe to Drink?

Graded A-, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do ↓

0 contaminants over a legal limit
2.0 ppb lead, 90th percentile · low
1 unresolved violation
625 people served by 1 water system

PWSID NY2202350 · moderate data confidence · local government utility

Reviewed by WaterVerge Editorial Team · Last updated July 2026
A 89.4 / 100

#263 of 810New York cities
How we grade →

01The verdict: is Chaumont (V) water safe?

Chaumont (V)'s tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (89.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 625 residents using surface water (rivers, lakes, or reservoirs).

The concern

1 unresolved violation on record

EPA records show an open compliance item for this system. Most are administrative, but unresolved items are worth watching.

See what was cited ↓
The good news

Lead is well under the limit

90th-percentile lead is 2.0 ppb — beneath the 15 ppb federal action level and under the 5 ppb watch threshold.

See the trend ↓
Keep watching

A flood-prone service area

5 federal disaster declarations on record. After severe weather, watch for boil-water advisories.

See the risk factors ↓

Chaumont (V)'s drinking water received a grade of A- (89.4 out of 100), indicating good water quality. The city's 1 water system serves approximately 625 residents using purchased surface water.

Lead levels were measured at 2.0 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 3 violations on record, including 2 health-based violations. 1 remains unresolved.

Chaumont (V) ranks #263 out of 810 cities in New York for water quality, placing it mid-range in the state. The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection. As a small community water system, Chaumont (V) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

How the 89.4/100 breaks down Methodology →
ViolationsHistorical violation record including health-based and monitoring violations.
44.4 / 45A
Lead & CopperLead at 2.0 ppb (90th percentile).
19 / 20A
ContaminantsPFAS + legacy contaminant analysis.
17 / 20B
ComplianceMonitoring and reporting compliance with EPA regulations.
5 / 10D
Source RiskWater source: Purchased surface water.
4 / 5B

02What's in Chaumont (V)'s water

Every contaminant flagged in Chaumont (V), on one shared scale: distance to its own legal limit. The red line is the limit — anything past it is out of compliance, and the closer a bar gets, the less headroom the system has.

1 detection · sorted by % of legal limit
Over the limit Elevated — watch Within limits
0 50% LEGAL LIMIT 150%
1 contaminant tested under EPA SDWIS, LCR and UCMR programs · 1 detected · not yet tested for PFAS under UCMR 5

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

03Chaumont (V)'s ten-year track record

Each box is one year. A green check means no EPA violations; a numbered badge counts that year's violations — red if any were health-based, amber if they were monitoring or paperwork issues. The system has 3 violations on record, including 2 health-based violations. 1 remains unresolved.

All ten of the last ten years were clean — no EPA violations recorded for Chaumont (V).

UpdateWater quality data updatedLatest EPA compliance and testing data incorporated into Chaumont (V)'s water quality assessment. Grade: A- (89.4/100).
DisasterFLOODINGFederal disaster declaration (FEMA DR-4348). Flood event — may have impacted local water infrastructure.
DisasterHURRICANE SANDYFederal disaster declaration (FEMA DR-3351). Hurricane event — may have impacted local water infrastructure.
Violation1 drinking water violation recorded1 health-based. Contaminants: Surface Water Treatment Rule.Resolved
Violation1 drinking water violation recorded1 health-based. Contaminants: Surface Water Treatment Rule.Resolved
Lead, 90th percentileppb · lower is better
05101520EPA action level · 15 ppb1993 — 8 ppb2004 — 2 ppb8219932004

Down 6 ppb since 1993. Latest reading: 2 ppb (2004) — 13% of the action level. Sampled at higher-risk homes (90th percentile).

04Where Chaumont (V)'s water comes from

Chaumont (V)'s drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

Source

Purchased Surface Water

Rivers, lakes, or reservoirs — more exposed to runoff, agriculture, and seasonal swings than groundwater.

Treatment

Wholesale supplier

Multi-barrier treatment: coagulation, sedimentation, filtration, and disinfection to meet EPA standards.

Distribution

1 system

1 water system, operated under local government ownership.

Delivery

625 people

Residents served across Chaumont (V)'s service area.

Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards. These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge. The system is operated by local government ownership and serves approximately 625 people through 1 water system.

System namePWSIDPopulationSource
CHAUMONT VILLAGE NY2202350 625 Purchased Surface Water

Water bodies near Chaumont (V)

Lake Ontario · lake

As a surface-water system, these water bodies may directly influence Chaumont (V)'s drinking water supply.

05Pressure on Chaumont (V)'s watershed

Outside forces that shape what reaches the treatment plant. None of these is a verdict on the tap by itself — but each adds pressure worth knowing about.

Flood & storm history

Recurring — declared disasters

5 federal disaster declarations on record for Jefferson County. Flooding and severe storms can overwhelm treatment plants, cause sewage overflows, and push runoff into supplies.

FLOODING Nov 2017 · DR-4348
HURRICANE SANDY Oct 2012 · DR-3351
HURRICANE KATRINA EVACUATION Sep 2005 · DR-3262

06How Chaumont (V) compares

Scores for nearby New York cities on one line, with the average marked.

Chaumont (V) (this city)
89.4 · A-
New York (C)
89 · A-
Smithtown (T)
84.8 · B+
Islip (T)
71.8 · B-

dashed line = New York average (78/100)

Chaumont (V) scores 89.4/100above the New York average of 78/100. It outscores 10 of 10 nearby cities. Full New York rankings →

Jefferson water quality rankings
Compare all cities in the county — grades, violations, and contaminant data side by side.

07What to do at home

Steps matched to what testing actually found in Chaumont (V)'s water — not generic advice.

Extra protection

A basic carbon filter still helps

Chaumont (V)'s water meets federal standards, but a simple carbon filter improves taste and adds a margin of safety against short-term issues.

Compare tested filters →
Know your report

Read your utility's annual report

Every utility must publish a yearly Consumer Confidence Report with its own testing results. It pairs well with the independent data on this page.

How to read a CCR →
Stay informed

Watch for Chaumont (V) alerts

This area has a history of flood declarations — after severe weather, watch for boil-water advisories from the utility, and check the live alerts on this page.

All water alerts →

Frequently asked questions

Is Chaumont (V), NY tap water safe to drink?

Chaumont (V)'s water quality earned a grade of A- (89.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #263 out of 810 cities tested in New York.

What contaminants are in Chaumont (V)'s water?

Lead was measured at 2.0 ppb (90th percentile). 3 violations are on record.

How is Chaumont (V)'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 Chaumont (V)?

Based on current data, basic filtration should suffice for additional peace of mind.

Where does Chaumont (V)'s water come from?

Chaumont (V)'s water is sourced from Purchased surface water. The city has 1 water system serving approximately 625 residents.

What health violations has Chaumont (V)'s water system had?

Chaumont (V) has 2 health-based violations on record. The most recent violation was recorded in June 1995. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Chaumont (V)'s water compare to other cities?

Chaumont (V) ranks #263 out of 810 cities in New York (better than 68% of state cities) and #2850 out of 15382 cities nationally (82th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Chaumont (V)'s small water system affect quality?

Chaumont (V)'s system serves approximately 625 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 3 violations on record.

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About Chaumont (V), NY: Median household income $73,750 · median home value $185,279 · median age 37.5 · 80.1% homeowners · 27.3% college educated. Sources: EPA SDWIS & ECHO · UCMR 3–5 · Lead & Copper Rule samples · EPA TRI · U.S. Drought Monitor · FEMA declarations. Data last updated Jul 2026. Analysis by the WaterVerge Editorial Team · methodology.