Is Little Valley (V), NY Tap Water Safe to Drink?
Graded B, with 2 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
79.9/100
waterverge.com Little Valley (V), NY — Water Quality Report
Little Valley (V)'s drinking water received a grade of B (79.9 out of 100), indicating good water quality. The city's 1 water system serves approximately 1,188 residents using groundwater.
Lead levels were measured at 1.4 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 113 violations on record, including 0 health-based violations. 2 remain unresolved.
What to know about Little Valley (V)'s water
Little Valley (V) ranks #568 out of 855 cities in New York for water quality, placing it below average in the state.
Little Valley (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.
As a small community water system, Little Valley (V) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Little Valley (V), NY water safe to drink?
Little Valley (V)'s tap water meets most EPA standards but has areas that warrant attention. With a grade of B (79.9/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 1,188 residents using groundwater (wells).
Recent water quality updates for Little Valley (V)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Little Valley (V)'s water quality assessment. Grade: B (79.9/100).
Contaminants: Revised Total Coliform Rule.
Contaminants: Tetrachloroethylene, 1,2,4-Trichlorobenzene, HEXACHLOROBENZENE.
Contaminants: 1,1,1-Trichloroethane, 1,2-Dichloropropane, Benzene.
Federal disaster declaration (FEMA DR-3351). Hurricane event — may have impacted local water infrastructure.
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 Little Valley (V)'s water supply.
Well within EPA limits.
Violation history
Little Valley (V)'s water system has 113 total violations on record, including 0 health-based violations. 2 remain unresolved. 1 violation was issued in the last 5 years.
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.
Where does Little Valley (V)'s water come from?
Little Valley (V)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 1,188 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Allegheny River (river).
What Little Valley (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.
Little Valley (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
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.
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. | 1.4 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Little Valley (V) compares by contaminant
Explore where Little Valley (V) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Little Valley (V)'s water comes from
Little Valley (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 1,188 people through 1 water system.
Water bodies near Little Valley (V)
Little Valley (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 Little Valley (V)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LITTLE VALLEY VILLAGE | NY0400343 | 1,188 | GW |
How Little Valley (V) compares
Full New York rankings →Little Valley (V)'s score of 79.9/100 is above the average of 74/100 among major New York cities. It outscores 6 of 10 nearby cities.
Nearby cities
View New York rankings →About Little Valley (V), NY
Learn more about your water
Guides and resources related to Little Valley (V)'s water quality findings.
Explore water quality across Cattaraugus
Frequently asked questions
Is Little Valley (V), NY tap water safe to drink?
Little Valley (V)'s water quality earned a grade of B (79.9/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #568 out of 855 cities tested in New York.
What contaminants are in Little Valley (V)'s water?
Lead was measured at 1.4 ppb (90th percentile). 113 violations are on record.
How is Little Valley (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 Little Valley (V)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Little Valley (V)'s water come from?
Little Valley (V)'s water is sourced from Groundwater. The city has 1 water system serving approximately 1,188 residents.
Is Little Valley (V)'s groundwater at risk of contamination?
Little Valley (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 113 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 Little Valley (V)'s water compare to other cities?
Little Valley (V) ranks #568 out of 855 cities in New York (better than 34% of state cities) and #8096 out of 15744 cities nationally (49th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Little Valley (V)'s small water system affect quality?
Little Valley (V)'s system serves approximately 1,188 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 113 violations on record.