Is Seaford, NY Tap Water Safe to Drink?
Graded B+, with 15 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
83/100
waterverge.com Seaford, NY — Water Quality Report
Seaford's drinking water received a grade of B+ (83 out of 100), indicating good water quality. The city's 4 water systems serve approximately 1,048 residents using groundwater.
Lead levels were measured at 8.9 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 28 violations on record, including 0 health-based violations. 15 remain unresolved.
What to know about Seaford's water
Seaford ranks #505 out of 855 cities in New York for water quality, placing it below average in the state.
Seaford 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, Seaford may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Seaford, NY water safe to drink?
Seaford's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (83/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 4 water systems serve approximately 1,048 residents using groundwater (wells).
Recent water quality updates for Seaford
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Seaford's water quality assessment. Grade: B+ (83/100).
Contaminants: Consumer Confidence Rule.
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.
Contaminants: Lead and Copper Rule.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Seaford'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
Seaford's water system has 28 total violations on record, including 0 health-based violations. 15 remain unresolved. 1 violation was issued in the last 5 years.
Flood & environmental risk
Monroe County has experienced 6 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 Erie(Barge)Canal(W Of Genesee R)At Rochester, Honeoye Creek, Red Creek Below Co Hwy 85, Genesee River, Irondequoit.
Where does Seaford's water come from?
Seaford's drinking water comes from groundwater (wells), supplied by 4 water systems serving approximately 1,048 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Erie(Barge)Canal(W Of Genesee R)At Rochester (river), Honeoye Creek (river), Red Creek Below Co Hwy 85 (river), Genesee River (river), Irondequoit (river).
What Seaford residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Seaford'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.
Seaford'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
Top industrial polluters within 10 miles of Seaford
Industrial polluters nearby
Reported releases to surface water by facilities near Seaford, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
NATIONAL GRID E.F. BARRETT POWER STATION ISLAND PARK, NY11558 | — | — | 8.9 mi |
LND INC OCEANSIDE, NY11572 | — | — | 8.7 mi |
OERLIKON METCO (US) INC WESTBURY, NY11590 | — | — | 7.5 mi |
AERO STRUCTURES LONG ISLAND INC. WESTBURY, NY11590 | — | — | 7.2 mi |
SAFETY-KLEEN SYSTEMS AMITYVILLE (ANY) AMITYVILLE, NY11701 | — | — | 6.0 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Superfund sites within 10 miles of Seaford
Superfund sites nearby
Federally tracked hazardous-waste sites on the EPA National Priorities List. Proximity does not necessarily indicate tap-water contamination — the connection depends on hydrology and treatment.
- LIBERTY INDUSTRIAL FINISHING4.7 mi
- PREFERRED PLATING CORP4.9 mi
- HOOKER CHEMICAL PLASTICS CORP RUCO POLYMER CORP6.3 mi
- OLD BETHPAGE LANDFILL6.7 mi
- CLAREMONT POLYCHEMICAL6.8 mi
+ 4 more sites
Source: EPA Superfund National Priorities List
Flood & disaster history
Monroe County has experienced 6 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 Seaford'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. | 8.9 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Seaford compares by contaminant
Explore where Seaford ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Seaford's water comes from
Seaford'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 private ownership and serves approximately 1,048 people through 4 water systems.
Water bodies near Seaford
Seaford is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Seaford
| System Name | PWSID | Population | Source |
|---|---|---|---|
| MOBILE GARDENS I | DE0000651 | 476 | GW |
| SCOTTSDALE MOBILE HOME PARK | DE0000599 | 300 | GW |
| HOLLY VIEW MOBILE HOME PARK | DE0000226 | 207 | GW |
| UPCOUNTRY MANUFACTURED HOME COMMUNITY | DE0000102 | 65 | GW |
How Seaford compares
Full New York rankings →Seaford's score of 83/100 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 Seaford, NY
Wikipedia →Pittsford is an incorporated town in Monroe County, New York, United States. A suburb of Rochester, its population was 30,617 at the time of the 2020 census. Formerly part of the town of Northfield, Pittsford was settled in 1789 and incorporated in 1796. The village of Pittsford was incorporated in 1827. It was named by Colonel Caleb Hopkins, a War of 1812 hero and subsequently Pittsford town supervisor, for the town of his birth, Pittsford, Vermont.
Learn more about your water
Guides and resources related to Seaford's water quality findings.
Explore water quality across Sussex
Frequently asked questions
Is Seaford, NY tap water safe to drink?
Seaford's water quality earned a grade of B+ (83/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #505 out of 855 cities tested in New York.
What contaminants are in Seaford's water?
Lead was measured at 8.9 ppb (90th percentile). 28 violations are on record.
How is Seaford'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 Seaford?
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 Seaford's water come from?
Seaford's water is sourced from Groundwater. The city has 4 water systems serving approximately 1,048 residents.
Is Seaford's groundwater at risk of contamination?
Seaford 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 28 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 Seaford's water compare to other cities?
Seaford ranks #505 out of 855 cities in New York (better than 41% of state cities) and #6665 out of 15744 cities nationally (58th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.