WaterVerge

Is Cobleskill (T), NY Tap Water Safe to Drink?

Graded A with no contaminants above EPA limits. Here's everything we tested and how Cobleskill (T) ranks. What to do next ↓

500 residents served 1 water system PWSID: NY4730048
Overall Score
90.4 / 100
Violations
None active
Last Updated
May 2026
Source
Purchased surface water
#221 of 855 in New York Top 15% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
90.4/100
waterverge.com
A 90.4/100

Cobleskill (T), NY — Water Quality Report

Cobleskill (T)'s drinking water received a grade of A (90.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 500 residents using purchased surface water.

Lead levels were measured at 5.0 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 3 health-based violations. All violations have been resolved.

Data last updated: May 2026 · Source: EPA SDWIS, UCMR 5
Analysis

What to know about Cobleskill (T)'s water

Cobleskill (T) ranks #221 out of 855 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, Cobleskill (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
90.4 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
41.4/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
18/20
A
Lead at 5.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Cobleskill (T), NY water safe to drink?

Generally Safe

Based on EPA testing data, Cobleskill (T)'s tap water is generally safe to drink. The water system earned a grade of A (90.4/100), meeting federal drinking water standards across key contaminant categories. The city's 1 water system serves approximately 500 residents using surface water (rivers, lakes, or reservoirs).

3
Violations (5yr)
5.0 ppb
Lead (90th %ile)
8 events
Disaster History

Recent water quality updates for Cobleskill (T)

A timeline of significant water quality events, violations, and data updates.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Cobleskill (T)'s water quality assessment. Grade: A (90.4/100).

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Disaster
HURRICANE HENRI

Federal disaster declaration (FEMA DR-3565). Hurricane event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: TTHM.

Disaster
HURRICANE SANDY

Federal disaster declaration (FEMA DR-3351). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

Based on the most recent EPA sampling data for Cobleskill (T)'s water supply.

Lead Within Limits
Detected: 5.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Cobleskill (T)'s water system has 3 total violations on record, including 3 health-based violations. All violations have been resolved. 3 violations were issued in the last 5 years.

MCL
Most recent violations:
Jan 2022 TTHM Resolved
Oct 2021 TTHM Resolved
Jul 2021 TTHM Resolved

Flood & environmental risk

Schoharie County has experienced 8 federally declared disasters since 1987. 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 Schoharie Creek, Cobleskill Creek.

HURRICANE HENRI
Hurricane FEMA DR-3565
HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE IRENE
Hurricane FEMA DR-4020

Where does Cobleskill (T)'s water come from?

Cobleskill (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 500 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Schoharie Creek (river), Cobleskill Creek (river).

What Cobleskill (T) residents can do

Request your utility's CCR

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.

Flush your taps

Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.

Monitor alerts during storms

Cobleskill (T)'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.

Contaminant Alerts

Top contaminants to know

View all ↓
Lead (90th percentile)
Inorganic / Heavy Metal
Safe
5.0 ppb
EPA Action Level: 15 ppb · 33% of limit
Safe Level
Compliance Record

Violation summary

3
Total violations
3
Health-based
0
Active / unresolved
Jan 2022
Most recent violation
Compliance Record

Violations & advisories

3 Total
0 Active
3 Health-based
3 Resolved
Jan 2022 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Mar 2022
Oct 2021 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Dec 2021
Jul 2021 Resolved
TTHM
Max Contaminant Level
Health-Based Health Resolved Sep 2021
Environmental Risk

Flood & disaster history

8
Declared disasters
Aug 2021
Most recent
Hurricane
Most common type

Schoharie County has experienced 8 federally declared disasters since 1987. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2021
HURRICANE HENRI
Hurricane FEMA #3565
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Aug 2011
HURRICANE IRENE
Hurricane FEMA #4020
Aug 2011
HURRICANE IRENE
Hurricane FEMA #3328
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Sep 1999
HURRICANE FLOYD MAJOR DISASTER DECLARATIONS
Hurricane FEMA #1296

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 5.0 15 ppb Inorganic Safe
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has increased by 2.0 ppb from 2018 (3.0 ppb) to 2023 (5.0 ppb).
Contaminant Rankings

See how Cobleskill (T) compares by contaminant

Explore where Cobleskill (T) ranks among all New York cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
500
Water Systems
1
Water Source

Where Cobleskill (T)'s water comes from

Purchased Surface Water

Cobleskill (T)'s drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.

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 500 people through 1 water system.

Local Hydrology

Water bodies near Cobleskill (T)

Cobleskill (T) is located near 2 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Schoharie Creek
river
Cobleskill Creek
river
Infrastructure

Water systems serving Cobleskill (T)

System Name PWSID Population Source
COBLESKILL WATER DISTRICT NY4730048 500 SWP
Regional Comparison

How Cobleskill (T) compares

Full New York rankings →

Cobleskill (T)'s score of 90.4/100 is above the average of 74/100 among major New York cities. It outscores 10 of 10 nearby cities.

Cobleskill (T) (this city)
90.4
New York avg
74
City Profile

About Cobleskill (T), NY

Economic Profile
$80,093
Median Income
$170,417
Median Home Value
$847/mo
Median Rent
6%
Unemployment
Community
37.1
Median Age
78
People / sq mi
33.1%
College Educated
64.6%
Homeownership
Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Cobleskill (T), NY tap water safe to drink?

Cobleskill (T)'s water quality earned a grade of A (90.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #221 out of 855 cities tested in New York.

What contaminants are in Cobleskill (T)'s water?

Lead was measured at 5.0 ppb (90th percentile). 3 violations are on record.

How is Cobleskill (T)'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 Cobleskill (T)?

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

Where does Cobleskill (T)'s water come from?

Cobleskill (T)'s water is sourced from Purchased surface water. The city has 1 water system serving approximately 500 residents.

What health violations has Cobleskill (T)'s water system had?

Cobleskill (T) has 3 health-based violations on record. The most recent violation was recorded in January 2022. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. All health violations have been resolved.

How does Cobleskill (T)'s water compare to other cities?

Cobleskill (T) ranks #221 out of 855 cities in New York (better than 74% of state cities) and #2268 out of 15744 cities nationally (86th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.

Does Cobleskill (T)'s small water system affect quality?

Cobleskill (T)'s system serves approximately 500 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.