Is Southampton (V), NY Tap Water Safe to Drink?
Graded A, with 1 unresolved violation on record. See what was cited — and what it means for your tap. What to do next ↓
91.4/100
waterverge.com Southampton (V), NY — Water Quality Report
Southampton (V)'s drinking water received a grade of A (91.4 out of 100), indicating excellent water quality. The city's 1 water system serves approximately 2,050 residents using purchased ground water.
Lead levels were measured at 1.0 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 3 violations on record, including 2 health-based violations. 1 remains unresolved.
What to know about Southampton (V)'s water
Southampton (V) ranks #158 out of 855 cities in New York for water quality, placing it above average in the state.
Southampton (V) purchases its water from a regional wholesaler, meaning quality depends on both the supplier's treatment and the local distribution system's condition.
As a small community water system, Southampton (V) may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Southampton (V), NY water safe to drink?
Southampton (V)'s tap water meets most EPA standards but has areas that warrant attention. With a grade of A (91.4/100), some contaminant levels or compliance issues suggest that residents may benefit from additional filtration. The city's 1 water system serves approximately 2,050 residents using groundwater (wells).
Recent water quality updates for Southampton (V)
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Southampton (V)'s water quality assessment. Grade: A (91.4/100).
Federal disaster declaration (FEMA DR-4615). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3572). Hurricane event — may have impacted local water infrastructure.
1 health-based. Contaminants: Nitrate.
1 health-based. Contaminants: Nitrate.
Key contaminant findings
Based on the most recent EPA sampling data for Southampton (V)'s water supply.
Well within EPA limits.
Violation history
Southampton (V)'s water system has 3 total violations on record, including 2 health-based violations. 1 remain unresolved.
Flood & environmental risk
Suffolk County has experienced 10 federally declared disasters since 1999. 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 Connetquot Bk Nr Central Islip, Carlls River.
Where does Southampton (V)'s water come from?
Southampton (V)'s drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 2,050 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Connetquot Bk Nr Central Islip (river), Carlls River (river).
What Southampton (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.
Southampton (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
Drought conditions
D1 — moderate droughtSuffolk County is currently in D1 (moderate drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Suffolk County has experienced 10 federally declared disasters since 1999. 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. | 1.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Southampton (V) compares by contaminant
Explore where Southampton (V) ranks among all New York cities for specific contaminants.
Water source & infrastructure
Where Southampton (V)'s water comes from
Southampton (V) purchases its water supply from a regional wholesale provider rather than treating raw water directly.
Water quality depends on both the wholesaler's treatment standards and the condition of Southampton (V)'s local distribution pipes and storage facilities.
Purchased water systems are common in suburban areas and smaller communities that lack the infrastructure for independent treatment.
The system is operated by local government ownership and serves approximately 2,050 people through 1 water system.
Water bodies near Southampton (V)
Southampton (V) is located near 2 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Southampton (V)
| System Name | PWSID | Population | Source |
|---|---|---|---|
| RIVERSIDE WATER DISTRICT | NY5105655 | 2,050 | GWP |
How Southampton (V) compares
Full New York rankings →Southampton (V)'s score of 91.4/100 is above the average of 74/100 among major New York cities. It outscores 10 of 10 nearby cities.
Nearby cities
View New York rankings →About Southampton (V), NY
Wikipedia →Hauppauge is a hamlet and census-designated place (CDP) in the towns of Islip and Smithtown in western Suffolk County, New York, on Long Island. The population was 20,803 at the time of the 2020 census.
Learn more about your water
Guides and resources related to Southampton (V)'s water quality findings.
Explore water quality across Suffolk
Frequently asked questions
Is Southampton (V), NY tap water safe to drink?
Southampton (V)'s water quality earned a grade of A (91.4/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #158 out of 855 cities tested in New York.
What contaminants are in Southampton (V)'s water?
Lead was measured at 1.0 ppb (90th percentile). 3 violations are on record.
How is Southampton (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 Southampton (V)?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Southampton (V)'s water come from?
Southampton (V)'s water is sourced from Purchased ground water. The city has 1 water system serving approximately 2,050 residents.
What health violations has Southampton (V)'s water system had?
Southampton (V) has 2 health-based violations on record. The most recent violation was recorded in December 1983. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 1 violation remains unresolved.
Is Southampton (V)'s groundwater at risk of contamination?
Southampton (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 3 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 Southampton (V)'s water compare to other cities?
Southampton (V) ranks #158 out of 855 cities in New York (better than 82% of state cities) and #1712 out of 15744 cities nationally (89th percentile). The grade of A reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Southampton (V)'s small water system affect quality?
Southampton (V)'s system serves approximately 2,050 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 3 violations on record.