Is Black River (V), NY Tap Water Safe to Drink?
Graded B+, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
82.7/100
Black River (V), NY — Water Quality Report
Black River (V)'s drinking water received a grade of B+ (82.7 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,600 residents using groundwater.
Lead levels were measured at 6.3 ppb (90th percentile), which is within EPA limits but above recommended levels. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 1 violation on record, including 0 health-based violations. 1 remains unresolved.
What to know about Black River (V)'s water
Black River (V) ranks #514 out of 855 cities in New York for water quality, placing it below average in the state.
Black River (V) 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.
While lead levels are within EPA limits, they are above the recommended 5 ppb threshold that health organizations consider ideal. A point-of-use filter adds an extra layer of protection.
As a small community water system, Black River (V) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Black River (V), NY water safe to drink?
Black River (V)'s tap water meets most EPA standards but has areas that warrant attention. With a grade of B+ (82.7/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,600 residents using groundwater (wells).
Recent water quality updates for Black River (V)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Black River (V)'s water quality assessment. Grade: B+ (82.7/100).
Federal disaster declaration (FEMA DR-4348). Flood event — may have impacted local water infrastructure.
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 Black River (V)'s water supply.
Within EPA limits but above the American Academy of Pediatrics recommended level of 1 ppb. An NSF 53-certified filter provides additional protection.
Violation history
Black River (V)'s water system has 1 total violation on record, including 0 health-based violations. 1 remain unresolved.
Flood & environmental risk
Jefferson County has experienced 5 federally declared disasters since 1973. 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 Black River.
Where does Black River (V)'s water come from?
Black River (V)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,600 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Black River (river).
What Black River (V) residents can do
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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Black River (V)'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
Jefferson County has experienced 5 federally declared disasters since 1973. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Black River (V)'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. | 6.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Black River (V) compares by contaminant
Explore where Black River (V) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Black River (V)'s water comes from
Black River (V)'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 1,600 people through 1 water system.
Water bodies near Black River (V)
Black River (V) is located near 1 notable water body. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Black River (V)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BLACK RIVER VILLAGE | NY2202331 | 1,600 | GW |
How Black River (V) compares
Full New York rankings →Black River (V)'s score of 82.7/100 is above the average of 74/100 among major New York cities. It outscores 7 of 10 nearby cities.
Nearby cities
View New York rankings →About Black River (V), NY
Wikipedia →Black River is a village in Jefferson County, New York, United States. As of the 2020 census, Black River had a population of 1,232. The village is on the border of the towns of Le Ray and Rutland, east of Watertown.
Learn more about your water
Guides and resources related to Black River (V)'s water quality findings.
Explore water quality across Jefferson
Frequently asked questions
Is Black River (V), NY tap water safe to drink?
Black River (V)'s water quality earned a grade of B+ (82.7/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #514 out of 855 cities tested in New York.
What contaminants are in Black River (V)'s water?
Lead was measured at 6.3 ppb (90th percentile). 1 violation is on record.
How is Black River (V)'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 Black River (V)?
While lead levels are within EPA limits, a filter adds extra protection. Based on current data, basic filtration should suffice for additional peace of mind.
Where does Black River (V)'s water come from?
Black River (V)'s water is sourced from Groundwater. The city has 1 water system serving approximately 1,600 residents.
Is Black River (V)'s groundwater at risk of contamination?
Black River (V) 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 1 violation 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 Black River (V)'s water compare to other cities?
Black River (V) ranks #514 out of 855 cities in New York (better than 40% of state cities) and #6825 out of 15744 cities nationally (57th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Black River (V)'s small water system affect quality?
Black River (V)'s system serves approximately 1,600 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 1 violation on record.