WaterVerge

Is Norwich (C), 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 next ↓

8K residents served 1 water system PWSID: NY0801745
Overall Score
93 / 100
Violations
1 active
Last Updated
May 2026
Source
Surface water
#108 of 855 in New York Top 6% nationally
Local Government
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
AGRADE
Water Quality Grade
93/100
waterverge.com
A 93/100

Norwich (C), NY — Water Quality Report

Norwich (C)'s drinking water received a grade of A (93 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 8,000 residents using surface water.

Lead levels were measured at 0.0 ppb (90th percentile), well within EPA limits. UCMR 5 testing detected 1 PFAS compound in the water supply.

The system has 37 violations on record, including 24 health-based violations. 1 remains unresolved.

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

What to know about Norwich (C)'s water

Norwich (C) ranks #108 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.

PFAS compounds were detected in testing, though levels remain within current EPA limits. Residents seeking extra precaution may consider an activated carbon or reverse osmosis filter.

Quality Breakdown

Water quality score

See methodology →
93 out of 100 Grade A
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
40.7/45
A
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 0.0 ppb (90th percentile).
Contaminants
18.2/20
A
1 PFAS compound detected.
Compliance
10/10
A
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Surface water.
Water Safety

Is Norwich (C), NY water safe to drink?

Use Caution

Norwich (C)'s tap water meets most EPA standards but has areas that warrant attention. With a grade of A (93/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 8,000 residents using surface water (rivers, lakes, or reservoirs).

1
Active Violations
0.0 ppb
Lead (90th %ile)
1 compound
PFAS Detected
8 events
Disaster History

Recent water quality updates for Norwich (C)

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

PFAS
1 PFAS "forever chemical" compound detected

Detected at levels within current EPA limits. PFAS persist indefinitely in the environment.

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Norwich (C)'s water quality assessment. Grade: A (93/100).

Disaster
HURRICANE HENRI

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

Disaster
SEVERE STORMS AND FLOODING

Federal disaster declaration (FEMA DR-4397). Flood event — may have impacted local water infrastructure.

Violation
1 drinking water violation recorded

Contaminants: Lead and Copper Rule.

Violation
1 drinking water violation recorded

Key contaminant findings

Based on the most recent EPA sampling data for Norwich (C)'s water supply.

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

Well within EPA limits.

PFAS (1 compound) Elevated
Detected: Highest: lithium at 9.0000 µg/L Limit: 0.004 µg/L (EPA MCL)

Detected but within current EPA limits. PFAS do not break down in the environment and can accumulate in the body over time. An activated carbon filter can reduce exposure.

Violation history

Norwich (C)'s water system has 37 total violations on record, including 24 health-based violations. 1 remain unresolved.

MROtherTT
Most recent violations:
Oct 2012 Lead and Copper Rule Open
Jul 1996 Surface Water Treatment Rule Resolved

Flood & environmental risk

Chenango County has experienced 8 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 Chenango River.

HURRICANE HENRI
Hurricane FEMA DR-3565
SEVERE STORMS AND FLOODING
Flood FEMA DR-4397
SEVERE STORMS AND FLOODING
Flood FEMA DR-4129

Where does Norwich (C)'s water come from?

Norwich (C)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 1 water system serving approximately 8,000 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Chenango River (river).

What Norwich (C) 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

Norwich (C)'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
lithium
PFAS / Forever Chemical
Near MCL
9.0000 µg/L
EPA MCL: 0.004 µg/L · +20% over limit
Detected
Lithium
Inorganic
Detected
9.0 µg/L
State screening level: 60 µg/L · 15% of limit
DetectedNo federal MCLUCMR 5 Data (2023–2025)
PFAS Testing

Forever chemicals overview

National PFAS report →
30
Compounds tested
1
Detected
0
Exceed EPA MCL
Compliance Record

Violation summary

37
Total violations
24
Health-based
1
Active / unresolved
Oct 2012
Most recent violation
Compliance Record

Violations & advisories

37 Total
1 Active
24 Health-based
36 Resolved
Violations by category
Surface Water Treatment Rule
24
Synthetic Organic Chemicals
6
Miscellaneous Other Rules
3
Total Coliform Rule
3
Lead and Copper Rule
1
Oct 2012 Active
Lead and Copper Rule
Monitoring & Reporting
Monitoring & Reporting 0
Sep 2004 Resolved
Miscellaneous Other Rules
Other Violation Resolved Sep 2004
Sep 2002 Resolved
Miscellaneous Other Rules
Other Violation Resolved Sep 2002
Sep 1997 Resolved
Miscellaneous Other Rules
Other Violation Resolved Sep 1997
Jul 1996 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jul 1996
May 1996 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved May 1996
Apr 1996 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 1996
Mar 1996 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Mar 1996
Feb 1996 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Feb 1996
Jan 1996 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jan 1996
Dec 1995 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 1995
Nov 1995 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Nov 1995
Oct 1995 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Oct 1995
Dec 1994 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Dec 1994
Aug 1994 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Aug 1994
Jul 1994 Resolved
Coliform (TCR)
Monitoring & Reporting
Monitoring & Reporting Resolved Jul 1994
Jul 1994 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jul 1994
Jun 1994 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Jun 1994
May 1994 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved May 1994
Apr 1994 Resolved
Surface Water Treatment Rule
Treatment Technique
Health-Based Health Resolved Apr 1994
Showing 20 of 37 violations
Environmental Risk

Flood & disaster history

8
Declared disasters
Aug 2021
Most recent
Flood
Most common type

Chenango County has experienced 8 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.

Aug 2021
HURRICANE HENRI
Hurricane FEMA #3565
Oct 2018
SEVERE STORMS AND FLOODING
Flood FEMA #4397
Jul 2013
SEVERE STORMS AND FLOODING
Flood FEMA #4129
Oct 2012
HURRICANE SANDY
Hurricane FEMA #3351
Jun 2011
SEVERE STORMS, FLOODING, TORNADOES, AND STRAIGHT-LINE WINDS
Flood FEMA #1993
Sep 2005
HURRICANE KATRINA EVACUATION
Hurricane FEMA #3262

Recommended water filters

Based on contaminants detected in Norwich (C)'s water supply, we recommend the following filter types.

🧪
For PFAS
Reverse Osmosis or Activated Carbon Block
1 PFAS compound detected

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 0.0 15 ppb Inorganic Safe
11Cl-PF3OUdS ND HI µg/L PFAS Not Detected
4:2 FTS ND HI µg/L PFAS Not Detected
6:2 FTS ND HI µg/L PFAS Not Detected
8:2 FTS ND HI µg/L PFAS Not Detected
9Cl-PF3ONS ND HI µg/L PFAS Not Detected
ADONA ND HI µg/L PFAS Not Detected
HFPO-DA ND 0.01 µg/L PFAS Not Detected
lithium 9.000 HI µg/L PFAS Detected
NEtFOSAA ND HI µg/L PFAS Not Detected
NFDHA ND HI µg/L PFAS Not Detected
NMeFOSAA ND HI µg/L PFAS Not Detected
PFBA ND HI µg/L PFAS Not Detected
PFBS ND HI µg/L PFAS Not Detected
PFDA ND HI µg/L PFAS Not Detected
PFDoA ND HI µg/L PFAS Not Detected
PFEESA ND HI µg/L PFAS Not Detected
PFHpA ND HI µg/L PFAS Not Detected
PFHpS ND HI µg/L PFAS Not Detected
PFHxA ND HI µg/L PFAS Not Detected
PFHxS ND HI µg/L PFAS Not Detected
PFMBA ND HI µg/L PFAS Not Detected
PFMPA ND HI µg/L PFAS Not Detected
PFNA ND HI µg/L PFAS Not Detected
PFOA ND 0.004 µg/L PFAS Not Detected
PFOS ND 0.004 µg/L PFAS Not Detected
PFPeA ND HI µg/L PFAS Not Detected
PFPeS ND HI µg/L PFAS Not Detected
PFTA ND HI µg/L PFAS Not Detected
PFTrDA ND HI µg/L PFAS Not Detected
PFUnA ND HI µg/L PFAS Not Detected
Data source: EPA SDWIS, UCMR 5, local utility CCR.

Lead level trend (90th percentile)

EPA action level: 15 ppb
Lead has decreased by 39.0 ppb from 1992 (39.0 ppb) to 2025 (0.0 ppb).
Contaminant Rankings

See how Norwich (C) compares by contaminant

Explore where Norwich (C) ranks among all New York cities for specific contaminants.

Infrastructure

Water source & infrastructure

Primary Source
Surface Water
Operator
Local Government
Population Served
8,000
Water Systems
1
Water Source

Where Norwich (C)'s water comes from

Surface Water

Norwich (C)'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 8,000 people through 1 water system.

Local Hydrology

Water bodies near Norwich (C)

Norwich (C) is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.

Chenango River
river
Infrastructure

Water systems serving Norwich (C)

System Name PWSID Population Source
NORWICH CITY NY0801745 8,000 SW
Regional Comparison

How Norwich (C) compares

Full New York rankings →

Norwich (C)'s score of 93/100 is above the average of 74/100 among major New York cities. It outscores 10 of 10 nearby cities.

Norwich (C) (this city)
93
New York avg
74
City Profile

About Norwich (C), NY

Wikipedia →

Norwich is a city in and the county seat of Chenango County, New York, United States. Surrounded on all sides by the Town of Norwich, the city's name is taken from Norwich, England. As of the 2020 census, Norwich had a population of 7,051. Norwich is best known as the headquarters of the strained yogurt company Chobani.

Share this reportHelp others learn about their water quality
WhatsAppXFacebookLinkedInEmail

Frequently asked questions

Is Norwich (C), NY tap water safe to drink?

Norwich (C)'s water quality earned a grade of A (93/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #108 out of 855 cities tested in New York.

What contaminants are in Norwich (C)'s water?

Lead was measured at 0.0 ppb (90th percentile). 1 PFAS compound was detected. 37 violations are on record.

How is Norwich (C)'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 Norwich (C)?

PFAS compounds have been detected. A filter with activated carbon can help reduce exposure.

Where does Norwich (C)'s water come from?

Norwich (C)'s water is sourced from Surface water. The city has 1 water system serving approximately 8,000 residents.

What health violations has Norwich (C)'s water system had?

Norwich (C) has 24 health-based violations on record. The most recent violation was recorded in October 2012. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.

How does Norwich (C)'s water compare to other cities?

Norwich (C) ranks #108 out of 855 cities in New York (better than 87% of state cities) and #998 out of 15744 cities nationally (94th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.