WaterVerge

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

Graded A, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

2K residents served 3 water systems PWSID: NY0600393
Overall Score
91.3 / 100
Violations
4 active
Last Updated
May 2026
Source
Purchased surface water
#160 of 855 in New York Top 11% nationally
Local Government
Moderate data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
91.3/100
waterverge.com
A 91.3/100

Hanover (T), NY — Water Quality Report

Hanover (T)'s drinking water received a grade of A (91.3 out of 100), indicating excellent water quality. The city's 3 water systems serve approximately 2,316 residents using purchased surface water.

Lead levels were measured at 2.4 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 24 violations on record, including 0 health-based violations. 4 remain unresolved.

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

What to know about Hanover (T)'s water

Hanover (T) ranks #160 out of 855 cities in New York for water quality, placing it above average 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, Hanover (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.

Quality Breakdown

Water quality score

See methodology →
91.3 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
42.3/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.4 ppb (90th percentile).
Contaminants
17/20
B
PFAS + legacy contaminant analysis.
Compliance
8/10
B
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

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

Concerns Identified

Hanover (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A (91.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 3 water systems serve approximately 2,316 residents using surface water (rivers, lakes, or reservoirs).

4
Active Violations
2.4 ppb
Lead (90th %ile)
4 events
Disaster History

Recent water quality updates for Hanover (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 Hanover (T)'s water quality assessment. Grade: A (91.3/100).

Violation
1 drinking water violation recorded

Contaminants: Nitrate.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4129). Flood event — may have impacted local water infrastructure.

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 Hanover (T)'s water supply.

Lead Within Limits
Detected: 2.4 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Hanover (T)'s water system has 24 total violations on record, including 0 health-based violations. 4 remain unresolved. 1 violation was issued in the last 5 years.

MRMONOther
Most recent violations:
Jan 2021 Nitrate Resolved
Oct 2020 Lead and Copper Rule Open
Jan 2018 Revised Total Coliform Rule Resolved
Oct 2014 TTHM Resolved
Oct 2014 Total Haloacetic Acids (HAA5) Resolved

Flood & environmental risk

Chautauqua County has experienced 4 federally declared disasters since 1972. 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 Silver Creek, Walnut Creek, Big Sister Creek.

SEVERE STORMS AND FLOODING
Flood FEMA DR-4129
HURRICANE SANDY
Hurricane FEMA DR-3351
HURRICANE KATRINA EVACUATION
Hurricane FEMA DR-3262

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

Hanover (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 3 water systems serving approximately 2,316 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Silver Creek (river), Walnut Creek (river), Big Sister Creek (river).

What Hanover (T) residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Hanover (T)'s water.

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

Hanover (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
2.4 ppb
EPA Action Level: 15 ppb · 16% of limit
Safe Level
Compliance Record

Violation summary

24
Total violations
0
Health-based
4
Active / unresolved
Jan 2021
Most recent violation
Compliance Record

Violations & advisories

24 Total
4 Active
0 Health-based
20 Resolved
2 SNC
Violations by category
Nitrate Rule
7
Stage 2 Disinfectants and Disinfection Byproducts Rule
6
Miscellaneous Other Rules
4
Consumer Confidence Rule
2
Lead and Copper Rule
1
Oct 2020 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Active
Compliance Violation
Monitoring 0
Jan 2021 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Mar 2021
Jan 2018 Resolved
Revised Total Coliform Rule
Monitoring
Monitoring Resolved Apr 2018
Oct 2014 Resolved
TTHM
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2014
Oct 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
SNC Monitoring & Reporting Resolved Dec 2014
Jan 2014 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Jan 2014 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2014
Oct 2013 Resolved
TTHM
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Oct 2013 Resolved
Total Haloacetic Acids (HAA5)
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Oct 2013 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2013
Apr 2013 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Jun 2013
Oct 2012 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Oct 2012 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Dec 2012
Jul 2012 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Jul 2012 Resolved
Nitrate
Monitoring & Reporting
Monitoring & Reporting Resolved Sep 2012
Mar 2010 Resolved
Miscellaneous Other Rules
Other Violation Resolved Mar 2010
Dec 2009 Resolved
Miscellaneous Other Rules
Other Violation Resolved Dec 2009
Showing 20 of 24 violations
Environmental Risk

Flood & disaster history

4
Declared disasters
Jul 2013
Most recent
Flood
Most common type

Chautauqua County has experienced 4 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Jul 2013
SEVERE STORMS AND FLOODING
Flood FEMA #4129
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262
Jun 1972
TROPICAL STORM AGNES
Flood FEMA #338

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.4 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 decreased by 0.6 ppb from 1993 (3.0 ppb) to 2025 (2.4 ppb).
Contaminant Rankings

See how Hanover (T) compares by contaminant

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

Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Local Government
Population Served
2,316
Water Systems
3
Source breakdown
Purchased Surface Water
2
Groundwater
1
Water Source

Where Hanover (T)'s water comes from

Purchased Surface Water

Hanover (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 2,316 people through 3 water systems.

Local Hydrology

Water bodies near Hanover (T)

Hanover (T) is located near 3 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Silver Creek
river
Walnut Creek
river
Big Sister Creek
river
Infrastructure

Water systems serving Hanover (T)

System Name PWSID Population Source
HANOVER WD #1 5&20 SLVR CRK TO CATT CRK NY0600393 2,173 SWP
WESTCREEK MHP NY0600829 100 GW
HANOVER WD #2 - BENNETT STATE ROAD NY0600394 43 SWP
Regional Comparison

How Hanover (T) compares

Full New York rankings →

Hanover (T)'s score of 91.3/100 is above the average of 74/100 among major New York cities. It outscores 10 of 10 nearby cities.

Hanover (T) (this city)
91.3
New York avg
74
City Profile

About Hanover (T), NY

Wikipedia →

Silver Creek is a village in the town of Hanover in Chautauqua County, New York, United States. As of the 2020 census, the village had a population of 2,637. Silver Creek is named after a small creek which runs through the village. It is on the shore of Lake Erie.

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Frequently asked questions

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

Hanover (T)'s water quality earned a grade of A (91.3/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #160 out of 855 cities tested in New York.

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

Lead was measured at 2.4 ppb (90th percentile). 24 violations are on record.

How is Hanover (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 Hanover (T)?

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

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

Hanover (T)'s water is sourced from Purchased surface water. The city has 3 water systems serving approximately 2,316 residents.

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

Hanover (T) ranks #160 out of 855 cities in New York (better than 81% of state cities) and #1764 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.