WaterVerge

Is Salamanca, NY Tap Water Safe to Drink?

Graded F, with 145 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓

6K residents served 5 water systems PWSID: 020000008
Overall Score
44.5 / 100
Violations
145 active
Last Updated
May 2026
Source
Purchased surface water
#833 of 855 in New York Top 91% nationally
Native American
High data confidence
Reviewed by WaterVerge Editorial Team · Last updated May 2026
FGRADE
Water Quality Grade
44.5/100
waterverge.com
F 44.5/100

Salamanca, NY — Water Quality Report

Salamanca's drinking water received a grade of F (44.5 out of 100), indicating failing water quality. The city's 5 water systems serve approximately 5,687 residents using purchased surface water.

Lead levels were measured at 2.5 ppb (90th percentile), well within EPA limits. PFAS testing under UCMR 5 found no detectable forever chemicals.

The system has 291 violations on record, including 4 health-based violations. 145 remain unresolved.

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

What to know about Salamanca's water

Salamanca ranks #833 out of 855 cities in New York for water quality, placing it among the lowest-rated 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.

The system has seen 133 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.

Quality Breakdown

Water quality score

See methodology →
44.5 out of 100 Grade F
A: 90-100
B: 74-89
C: 60-73
F: <50
How is this calculated?
Violations
0/45
F
Historical violation record including health-based and monitoring violations.
Lead & Copper
20/20
A
Lead at 2.5 ppb (90th percentile).
Contaminants
17.5/20
B
No PFAS compounds detected.
Compliance
3/10
F
Monitoring and reporting compliance with EPA regulations.
Source Risk
4/5
B
Water source: Purchased surface water.
Water Safety

Is Salamanca, NY water safe to drink?

Concerns Identified

Salamanca's drinking water has significant quality concerns based on EPA testing data. With a grade of F (44.5/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 5 water systems serve approximately 5,687 residents using surface water (rivers, lakes, or reservoirs).

145
Active Violations
2.5 ppb
Lead (90th %ile)
None
PFAS Detected
5 events
Disaster History

Recent water quality updates for Salamanca

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

Update
Water quality data updated

Latest EPA compliance and testing data incorporated into Salamanca's water quality assessment. Grade: F (44.5/100).

Violation
4 drinking water violations recorded

Contaminants: Revised Total Coliform Rule.

Violation
7 drinking water violations recorded

Contaminants: Revised Total Coliform Rule, Chlorine.

Violation
1 drinking water violation recorded

Contaminants: Revised Total Coliform Rule.

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 Salamanca's water supply.

Lead Within Limits
Detected: 2.5 ppb Limit: 15 ppb (EPA Action Level)

Well within EPA limits.

Violation history

Salamanca's water system has 291 total violations on record, including 4 health-based violations. 145 remain unresolved. 133 violations were issued in the last 5 years.

MONMRRPTOtherTTMCL
Most recent violations:
Sep 2025 Revised Total Coliform Rule Resolved
Sep 2025 Revised Total Coliform Rule Resolved
Sep 2025 Revised Total Coliform Rule Resolved
Sep 2025 Revised Total Coliform Rule Resolved
Jul 2025 Revised Total Coliform Rule 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 Allegheny River.

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

Where does Salamanca's water come from?

Salamanca's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 5 water systems serving approximately 5,687 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Allegheny River (river).

What Salamanca residents can do

Install a water filter

Recommended: NSF-certified water filter. This addresses the specific contaminants found in Salamanca'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

Salamanca'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
2.5 ppb
EPA Action Level: 15 ppb · 17% of limit
Safe Level
PFAS Testing

Forever chemicals overview

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

Violation summary

291
Total violations
4
Health-based
145
Active / unresolved
Sep 2025
Most recent violation
Compliance Record

Violations & advisories

291 Total
145 Active
4 Health-based
146 Resolved
8 SNC
Violations by category
Revised Total Coliform Rule
138
Stage 1 Disinfectants and Disinfection Byproducts Rule
38
Stage 2 Disinfectants and Disinfection Byproducts Rule
26
Consumer Confidence Rule
25
Nitrate Rule
14
Mar 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jan 2025 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Nov 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Nov 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Nov 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Oct 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Sep 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Sep 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Sep 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Sep 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Aug 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Aug 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Aug 2024 Active
Revised Total Coliform Rule
Reporting
Reporting 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Jul 2024 Active
Consumer Confidence Rule
Other Violation 0
Showing 20 of 291 violations
Site context

Superfund sites within 10 miles of Salamanca

Superfund sites nearby

Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.

Source: EPA Superfund National Priorities List

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

Full contaminants report

Contaminant Detected Level EPA Limit Unit Category Status
Lead (90th percentile) 2.5 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 ND HI µg/L PFAS Not 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 0.4 ppb from 2013 (1.0 ppb) to 2025 (0.6 ppb).
Infrastructure

Water source & infrastructure

Primary Source
Purchased Surface Water
Operator
Native American
Population Served
5,687
Water Systems
5
Source breakdown
Groundwater
4
Purchased Surface Water
1
Water Source

Where Salamanca's water comes from

Purchased Surface Water

Salamanca'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 native american ownership and serves approximately 5,687 people through 5 water systems.

Local Hydrology

Water bodies near Salamanca

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

Allegheny River
river
Infrastructure

Water systems serving Salamanca

System Name PWSID Population Source
CATTARAUGUS CWS 020000008 4,999 SWP
JIMMERSONTOWN WS 020000001 296 GW
STEAMBURG WS 020000004 288 GW
SULLIVAN HOLLOW 020000016 64 GW
SHELTON TRAILER PARK 020011102 40 GW
Regional Comparison

How Salamanca compares

Full New York rankings →

Salamanca's score of 44.5/100 is below the average of 74/100 among major New York cities. 10 of 10 nearby cities score higher.

Salamanca (this city)
44.5
New York avg
74
Service Area

ZIP codes served by Salamanca

The water systems serving Salamanca cover 1 ZIP code. Select any ZIP to see which water systems serve that area.

City Profile

About Salamanca, NY

Wikipedia →

Salamanca is a city in Cattaraugus County, New York, United States, inside the Allegany Indian Reservation, one of two governed by the Seneca Nation of New York. The population was 5,929 at the 2020 census. It was named after José de Salamanca, a Spanish nobleman and cabinet minister of the mid-19th century. Salamanca invested in railroads around the globe, including the Atlantic and Great Western Railroad in New York State, Pennsylvania, and Ohio.

Economic Profile
$38,472
Median Income
$77,668
Median Home Value
$706/mo
Median Rent
7.8%
Unemployment
Community
37.7
Median Age
380
People / sq mi
14.1%
College Educated
52.1%
Homeownership
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Frequently asked questions

Is Salamanca, NY tap water safe to drink?

Salamanca's water quality earned a grade of F (44.5/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #833 out of 855 cities tested in New York.

What contaminants are in Salamanca's water?

Lead was measured at 2.5 ppb (90th percentile). No PFAS compounds were detected. 291 violations are on record.

How is Salamanca'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 Salamanca?

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

Where does Salamanca's water come from?

Salamanca's water is sourced from Purchased surface water. The city has 5 water systems serving approximately 5,687 residents.

What health violations has Salamanca's water system had?

Salamanca has 4 health-based violations on record. The most recent violation was recorded in September 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 145 violations remain unresolved.

How does Salamanca's water compare to other cities?

Salamanca ranks #833 out of 855 cities in New York (better than 3% of state cities) and #14370 out of 15744 cities nationally (9th percentile). The grade of F reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.