Is Long Lake (T), NY Tap Water Safe to Drink?
Graded B — but Copper was detected above EPA limits. Here's what's in the water and how to remove it. What to do next ↓
78.1/100
Long Lake (T), NY — Water Quality Report
Long Lake (T)'s drinking water received a grade of B (78.1 out of 100), indicating good water quality. The city's 2 water systems serve approximately 890 residents using surface water.
Lead levels were measured at 0.0 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 103 violations on record, including 8 health-based violations. 10 remain unresolved.
What to know about Long Lake (T)'s water
Long Lake (T) ranks #620 out of 855 cities in New York for water quality, placing it below 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.
As a small community water system, Long Lake (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Long Lake (T), NY water safe to drink?
Long Lake (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of B (78.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 890 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Long Lake (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Long Lake (T)'s water quality assessment. Grade: B (78.1/100).
Federal disaster declaration (FEMA DR-4814). Flood event — may have impacted local water infrastructure.
Contaminants: Total Haloacetic Acids (HAA5), Lead and Copper Rule, TTHM.
Contaminants: Nitrate, TTHM, Total Haloacetic Acids (HAA5).
Contaminants: Revised Total Coliform Rule.
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 Long Lake (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
Long Lake (T)'s water system has 103 total violations on record, including 8 health-based violations. 10 remain unresolved. 3 violations were issued in the last 5 years.
Flood & environmental risk
Hamilton County has experienced 5 federally declared disasters since 2005. 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 Long Lake (T)'s water come from?
Long Lake (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 2 water systems serving approximately 890 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment.
What Long Lake (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Long Lake (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.
Long Lake (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
Hamilton County has experienced 5 federally declared disasters since 2005. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Long Lake (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. | 0.0 | 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. | 1.40 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level trend (90th percentile)
See how Long Lake (T) compares by contaminant
Explore where Long Lake (T) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Long Lake (T)'s water comes from
Long Lake (T)'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 890 people through 2 water systems.
Water systems serving Long Lake (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| LONG LAKE WD | NY2000129 | 800 | SW |
| RAQUETTE LAKE WD | NY2000130 | 90 | GW |
How Long Lake (T) compares
Full New York rankings →Long Lake (T)'s score of 78.1/100 is on par with the average of 74/100 among major New York cities. It outscores 5 of 10 nearby cities.
Nearby cities
View New York rankings →About Long Lake (T), NY
Learn more about your water
Guides and resources related to Long Lake (T)'s water quality findings.
Explore water quality across Hamilton
Frequently asked questions
Is Long Lake (T), NY tap water safe to drink?
Long Lake (T)'s water quality earned a grade of B (78.1/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #620 out of 855 cities tested in New York.
What contaminants are in Long Lake (T)'s water?
Lead was measured at 0.0 ppb (90th percentile). 103 violations are on record.
How is Long Lake (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 Long Lake (T)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Long Lake (T)'s water come from?
Long Lake (T)'s water is sourced from Surface water. The city has 2 water systems serving approximately 890 residents.
What health violations has Long Lake (T)'s water system had?
Long Lake (T) has 8 health-based violations on record. The most recent violation was recorded in January 2021. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 10 violations remain unresolved.
How does Long Lake (T)'s water compare to other cities?
Long Lake (T) ranks #620 out of 855 cities in New York (better than 27% of state cities) and #8796 out of 15744 cities nationally (44th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.