Is Waterloo (T), NY Tap Water Safe to Drink?
Graded B+, with 4 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
83.9/100
Waterloo (T), NY — Water Quality Report
Waterloo (T)'s drinking water received a grade of B+ (83.9 out of 100), indicating good water quality. The city's 4 water systems serve approximately 2,080 residents using purchased surface water.
Lead levels were measured at 8.3 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 37 violations on record, including 0 health-based violations. 4 remain unresolved.
What to know about Waterloo (T)'s water
Waterloo (T) ranks #479 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.
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, Waterloo (T) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Waterloo (T), NY water safe to drink?
Waterloo (T)'s drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83.9/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 2,080 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Waterloo (T)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Waterloo (T)'s water quality assessment. Grade: B+ (83.9/100).
Contaminants: TTHM, Total Haloacetic Acids (HAA5).
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4397). Flood event — may have impacted local water infrastructure.
Contaminants: Consumer Confidence 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 Waterloo (T)'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
Waterloo (T)'s water system has 37 total violations on record, including 0 health-based violations. 4 remain unresolved.
Flood & environmental risk
Seneca County has experienced 4 federally declared disasters since 1972. 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 Seneca River.
Where does Waterloo (T)'s water come from?
Waterloo (T)'s drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 4 water systems serving approximately 2,080 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Seneca River (river).
What Waterloo (T) residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Waterloo (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.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Waterloo (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
Seneca County has experienced 4 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Waterloo (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. | 8.3 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Waterloo (T) compares by contaminant
Explore where Waterloo (T) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Waterloo (T)'s water comes from
Waterloo (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 2,080 people through 4 water systems.
Water bodies near Waterloo (T)
Waterloo (T) is located near 1 notable water body. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Waterloo (T)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| BORDER CITY WATER DISTRICT | NY4911740 | 1,600 | SWP |
| TOWN OF WATERLOO WATER DISTRICT | NY4940015 | 250 | SWP |
| BURGESS ROAD WATER DISTRICT | NY4925000 | 200 | SWP |
| SOUTH PRE-EMPTION WATER DISTRICT | NY4998097 | 30 | — |
How Waterloo (T) compares
Full New York rankings →Waterloo (T)'s score of 83.9/100 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 Waterloo (T), NY
Wikipedia →Waterloo is a town in Seneca County, New York, United States. The population was 7,378 at the 2020 census. The town and its major community are named after Waterloo, Belgium, where Napoleon was defeated.
Learn more about your water
Guides and resources related to Waterloo (T)'s water quality findings.
Explore water quality across Seneca
Frequently asked questions
Is Waterloo (T), NY tap water safe to drink?
Waterloo (T)'s water quality earned a grade of B+ (83.9/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #479 out of 855 cities tested in New York.
What contaminants are in Waterloo (T)'s water?
Lead was measured at 8.3 ppb (90th percentile). 37 violations are on record.
How is Waterloo (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 Waterloo (T)?
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 Waterloo (T)'s water come from?
Waterloo (T)'s water is sourced from Purchased surface water. The city has 4 water systems serving approximately 2,080 residents.
How does Waterloo (T)'s water compare to other cities?
Waterloo (T) ranks #479 out of 855 cities in New York (better than 44% of state cities) and #6185 out of 15744 cities nationally (61th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.