Is Belfast (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 ↓
85.2/100
waterverge.com Belfast (T), NY — Water Quality Report
Belfast (T)'s drinking water received a grade of A- (85.2 out of 100), indicating good water quality. The city's 1 water system serves approximately 850 residents using purchased ground water.
Lead levels were measured at 1.6 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 52 violations on record, including 15 health-based violations. 5 remain unresolved.
What to know about Belfast (T)'s water
Belfast (T) ranks #448 out of 855 cities in New York for water quality, placing it below average in the state.
Belfast (T) purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Belfast (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Belfast (T), NY water safe to drink?
Belfast (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.2/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 850 residents using groundwater (wells).
Recent water quality updates for Belfast (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Belfast (T)'s water quality assessment. Grade: A- (85.2/100).
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Federal disaster declaration (FEMA DR-4625). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4129). Flood event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence Rule.
1 health-based. Contaminants: TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Belfast (T)'s water supply.
Well within EPA limits.
Exceeds EPA action level. Copper can leach from household plumbing — flush taps for 30 seconds before drinking.
Violation history
Belfast (T)'s water system has 52 total violations on record, including 15 health-based violations. 5 remain unresolved. 2 violations were issued in the last 5 years.
Flood & environmental risk
Allegany County has experienced 10 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.
Where does Belfast (T)'s water come from?
Belfast (T)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 850 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Belfast (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Belfast (T)'s water.
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.
Belfast (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.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Flood & disaster history
Allegany County has experienced 10 federally declared disasters since 1967. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Belfast (T)'s water supply, we recommend the following filter types.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 1.6 | 15 | ppb | Inorganic | Safe |
| Copper (90th percentile) CopperInorganic A metal that enters drinking water mainly through corrosion of copper plumbing. Small amounts are essential for health, but excess levels are harmful. Health EffectsGastrointestinal distress (nausea, vomiting, diarrhea) at short-term high levels; liver and kidney damage from long-term exposure. EPA Limit1.3 mg/L action level Common SourcesCorrosion of copper household plumbing, erosion of natural deposits. | 1.90 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Belfast (T) compares by contaminant
Explore where Belfast (T) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Belfast (T)'s water comes from
Belfast (T) purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Belfast (T)'s local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by local government ownership and serves approximately 850 people through 1 water system.
Water systems serving Belfast (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BELFAST WATER DISTRICT | NY0200313 | 850 | GWP |
How Belfast (T) compares
Full New York rankings →Belfast (T)'s score of 85.2/100 is above the average of 74/100 among major New York cities. It outscores 9 of 10 nearby cities.
Nearby cities
View New York rankings →About Belfast (T), NY
Learn more about your water
Guides and resources related to Belfast (T)'s water quality findings.
Explore water quality across Allegany
Frequently asked questions
Is Belfast (T), NY tap water safe to drink?
Belfast (T)'s water quality earned a grade of A- (85.2/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #448 out of 855 cities tested in New York.
What contaminants are in Belfast (T)'s water?
Lead was measured at 1.6 ppb (90th percentile). 52 violations are on record.
How is Belfast (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 Belfast (T)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Belfast (T)'s water come from?
Belfast (T)'s water is sourced from Purchased ground water. The city has 1 water system serving approximately 850 residents.
What health violations has Belfast (T)'s water system had?
Belfast (T) has 15 health-based violations on record. The most recent violation was recorded in July 2023. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 5 violations remain unresolved.
Is Belfast (T)'s groundwater at risk of contamination?
Belfast (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 52 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 Belfast (T)'s water compare to other cities?
Belfast (T) ranks #448 out of 855 cities in New York (better than 48% of state cities) and #5474 out of 15744 cities nationally (65th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Belfast (T)'s small water system affect quality?
Belfast (T)'s system serves approximately 850 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 52 violations on record.