WaterVerge

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

Graded A- — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓

2K residents served 3 water systems PWSID: NY0412216
Overall Score
86.5 / 100
Violations
2 active
Last Updated
May 2026
Source
Groundwater
#398 of 855 in New York Top 30% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
A-GRADE
Water Quality Grade
86.5/100
waterverge.com
A- 86.5/100

Yorkshire (T), NY — Water Quality Report

Yorkshire (T)'s drinking water received a grade of A- (86.5 out of 100), indicating good water quality. The city's 3 water systems serve approximately 1,520 residents using groundwater.

Lead levels were measured at 0.0 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 32 violations on record, including 5 health-based violations. 2 remain unresolved.

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

What to know about Yorkshire (T)'s water

Yorkshire (T) ranks #398 out of 855 cities in New York for water quality, placing it mid-range in the state.

Yorkshire (T) 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, Yorkshire (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
86.5 out of 100 Grade A-
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.5/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
16/20
B
Lead at 0.0 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
5/5
A
Water source: Groundwater.
Water Safety

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

Use Caution

Yorkshire (T)'s tap water meets most EPA standards but has areas that warrant attention. With a grade of A- (86.5/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 3 water systems serve approximately 1,520 residents using groundwater (wells).

2
Active Violations
0.0 ppb
Lead (90th %ile)
5 events
Disaster History

Recent water quality updates for Yorkshire (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 Yorkshire (T)'s water quality assessment. Grade: A- (86.5/100).

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

1 health-based. Contaminants: Arsenic.

Disaster
HURRICANE SANDY

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

Disaster
HURRICANE KATRINA EVACUATION

Federal disaster declaration (FEMA DR-3262). Hurricane event — may have impacted local water infrastructure.

Key contaminant findings

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

Lead Within Limits
Detected: 0.0 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Copper Exceeds Limit
Detected: 1.49 mg/L Limit: 1.3 mg/L (EPA Action Level)

Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.

Violation history

Yorkshire (T)'s water system has 32 total violations on record, including 5 health-based violations. 2 remain unresolved. 2 violations were issued in the last 5 years.

MRMCLOther
Most recent violations:
Jan 2024 Lead and Copper Rule Open
Jan 2021 Lead and Copper Rule Open
Jan 2020 Arsenic Resolved

Flood & environmental risk

Cattaraugus County has experienced 5 federally declared disasters since 1967. 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 Ischua.

HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3262
SEVERE STORMS AND FLOODING
Flood FEMA DR-1095

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

Yorkshire (T)'s drinking water comes from groundwater (wells), supplied by 3 water systems serving approximately 1,520 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Ischua (river).

What Yorkshire (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.

Monitor alerts during storms

Yorkshire (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
0.0 ppb
EPA Action Level: 15 ppb · 0% of limit
Safe Level
Copper (90th percentile)
Inorganic
Over Limit
1.49 mg/L
EPA Action Level: 1.3 mg/L · +15% over limit
Exceeds Limit
Compliance Record

Violation summary

32
Total violations
5
Health-based
2
Active / unresolved
Jan 2024
Most recent violation
Compliance Record

Violations & advisories

32 Total
2 Active
5 Health-based
30 Resolved
Violations by category
Volatile Organic Chemicals
20
Arsenic Rule
5
Lead and Copper Rule
2
Miscellaneous Other Rules
2
Nitrate Rule
2
Jan 2024 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2021 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Jan 2020 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2020
Oct 2012 Resolved
Miscellaneous Other Rules
Other Violation Resolved Oct 2012
Oct 2012 Resolved
Miscellaneous Other Rules
Other Violation Resolved Oct 2012
Jul 2012 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Sep 2012
Jan 2012 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Mar 2012
Oct 2011 Resolved
Arsenic
Max Contaminant Level
Health-Based Health Resolved Dec 2011
Jan 2010 Resolved
Arsenic
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2010
Jan 2008 Resolved
cis-1,2-Dichloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
DICHLOROMETHANE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
o-Dichlorobenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
Tetrachloroethylene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
CHLOROBENZENE
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
Benzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
Toluene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
Ethylbenzene
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
1,2-Dichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
1,1,1-Trichloroethane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Jan 2008 Resolved
1,2-Dichloropropane
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2008
Showing 20 of 32 violations
Environmental Risk

Flood & disaster history

5
Declared disasters
Oct 2012
Most recent
Flood
Most common type

Cattaraugus County has experienced 5 federally declared disasters since 1967. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Jan 1996
SEVERE STORMS AND FLOODING
Flood FEMA #1095
Jun 1972
TROPICAL STORM AGNES
Flood FEMA #338
Oct 1967
SEVERE STORMS & FLOODING
Flood FEMA #233

Recommended water filters

Based on contaminants detected in Yorkshire (T)'s water supply, we recommend the following filter types.

🔧
For Copper
Reverse Osmosis or KDF Filter
Copper exceeds the EPA action level of 1.3 mg/L

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
Copper (90th percentile) 1.49 1.3 mg/L Inorganic Over Limit
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 5.0 ppb from 1994 (5.0 ppb) to 2026 (0.0 ppb).

Copper level trend (90th percentile)

EPA action level: 1.3 mg/L
Copper has increased by 0.090 mg/L from 2000 (1.400 mg/L) to 2004 (1.490 mg/L).
Contaminant Rankings

See how Yorkshire (T) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Groundwater
Operator
Local Government
Population Served
1,520
Water Systems
3
Source breakdown
Groundwater
2
GUP
1
Water Source

Where Yorkshire (T)'s water comes from

Groundwater

Yorkshire (T)'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 1,520 people through 3 water systems.

Local Hydrology

Water bodies near Yorkshire (T)

Yorkshire (T) is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.

Ischua
river
Infrastructure

Water systems serving Yorkshire (T)

System Name PWSID Population Source
YORKSHIRE TOWN WATER DISTRICT #1 NY0412216 900 GW
TWIN LAKES MOBILE HOMES NY0400884 550 GW
YORKSHIRE TOWN WD #2 (GROVE ST.) NY0430044 70 GUP
Regional Comparison

How Yorkshire (T) compares

Full New York rankings →

Yorkshire (T)'s score of 86.5/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.

Yorkshire (T) (this city)
86.5
New York avg
74
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Frequently asked questions

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

Yorkshire (T)'s water quality earned a grade of A- (86.5/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #398 out of 855 cities tested in New York.

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

Lead was measured at 0.0 ppb (90th percentile). 32 violations are on record.

How is Yorkshire (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 Yorkshire (T)?

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

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

Yorkshire (T)'s water is sourced from Groundwater. The city has 3 water systems serving approximately 1,520 residents.

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

Yorkshire (T) has 5 health-based violations on record. The most recent violation was recorded in January 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 2 violations remain unresolved.

Is Yorkshire (T)'s groundwater at risk of contamination?

Yorkshire (T) 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 32 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 Yorkshire (T)'s water compare to other cities?

Yorkshire (T) ranks #398 out of 855 cities in New York (better than 53% of state cities) and #4676 out of 15744 cities nationally (70th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.