Is Union Twp.-1025, NJ Tap Water Safe to Drink?
Graded B+, with 8 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
84.6/100
waterverge.com Union Twp.-1025, NJ — Water Quality Report
Union Twp.-1025's drinking water received a grade of B+ (84.6 out of 100), indicating good water quality. The city's 2 water systems serve approximately 1,130 residents using groundwater.
Lead levels were measured at 2.6 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 46 violations on record, including 1 health-based violation. 8 remain unresolved.
What to know about Union Twp.-1025's water
Union Twp.-1025 ranks #58 out of 435 cities in New Jersey for water quality, placing it above average in the state.
Union Twp.-1025 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, Union Twp.-1025 may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 6 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Union Twp.-1025, NJ water safe to drink?
Union Twp.-1025's drinking water has significant quality concerns based on EPA testing data. With a grade of B+ (84.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 1,130 residents using groundwater (wells).
Recent water quality updates for Union Twp.-1025
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Union Twp.-1025's water quality assessment. Grade: B+ (84.6/100).
Contaminants: Lead and Copper Rule.
Contaminants: Revised Total Coliform Rule.
Contaminants: Revised Total Coliform Rule.
Federal disaster declaration (FEMA DR-4614). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3573). Hurricane event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Union Twp.-1025's water supply.
Well within EPA limits.
Violation history
Union Twp.-1025's water system has 46 total violations on record, including 1 health-based violation. 8 remain unresolved. 6 violations were issued in the last 5 years.
Flood & environmental risk
Hunterdon County has experienced 10 federally declared disasters since 1971. 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 South Branch Raritan River Near High Bridge, Spruce Run At Main Street At Glen Gardner, Mulhockaway Creek At Van Syckel, Spruce Run Reservoir At Clinton, Spruce Run At Clinton.
Where does Union Twp.-1025's water come from?
Union Twp.-1025's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 1,130 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include South Branch Raritan River Near High Bridge (river), Spruce Run At Main Street At Glen Gardner (river), Mulhockaway Creek At Van Syckel (river), Spruce Run Reservoir At Clinton (lake), Spruce Run At Clinton (river).
What Union Twp.-1025 residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Union Twp.-1025'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.
Union Twp.-1025'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 droughtHunterdon 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
Hunterdon County has experienced 10 federally declared disasters since 1971. 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. | 2.6 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Union Twp.-1025 compares by contaminant
Explore where Union Twp.-1025 ranks among all New Jersey cities for specific contaminants.
Water source & infrastructure
Where Union Twp.-1025's water comes from
Union Twp.-1025'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 state ownership and serves approximately 1,130 people through 2 water systems.
Water bodies near Union Twp.-1025
Union Twp.-1025 is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Union Twp.-1025
| System Name | PWSID | Population | Source |
|---|---|---|---|
| EDNA MAHAN CORRECTIONAL | NJ1025001 | 940 | GW |
| COUNTRY ARCH CARE CENTER | NJ1025313 | 190 | GW |
How Union Twp.-1025 compares
Full New Jersey rankings →Union Twp.-1025's score of 84.6/100 is above the average of 63/100 among major New Jersey cities. It outscores 10 of 10 nearby cities.
Nearby cities
View New Jersey rankings →About Union Twp.-1025, NJ
Wikipedia →Clinton is a town in Hunterdon County, in the U.S. state of New Jersey. It is located on the South Branch of the Raritan River in the Raritan Valley region. As of the 2020 United States census, the town's population was 2,773, an increase of 54 (+2.0%) from the 2010 census count of 2,719, which in turn reflected an increase of 87 (+3.3%) from the 2,632 counted in the 2000 census. Despite its relatively small population, Clinton is the predominant control city for Interstate 78 traveling westbound from Newark.
Learn more about your water
Guides and resources related to Union Twp.-1025's water quality findings.
Explore water quality across Hunterdon
Frequently asked questions
Is Union Twp.-1025, NJ tap water safe to drink?
Union Twp.-1025's water quality earned a grade of B+ (84.6/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #58 out of 435 cities tested in New Jersey.
What contaminants are in Union Twp.-1025's water?
Lead was measured at 2.6 ppb (90th percentile). 46 violations are on record.
How is Union Twp.-1025'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 Union Twp.-1025?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Union Twp.-1025's water come from?
Union Twp.-1025's water is sourced from Groundwater. The city has 2 water systems serving approximately 1,130 residents.
What health violations has Union Twp.-1025's water system had?
Union Twp.-1025 has 1 health-based violation on record. The most recent violation was recorded in December 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 8 violations remain unresolved.
Is Union Twp.-1025's groundwater at risk of contamination?
Union Twp.-1025 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 46 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 Union Twp.-1025's water compare to other cities?
Union Twp.-1025 ranks #58 out of 435 cities in New Jersey (better than 87% of state cities) and #5790 out of 15744 cities nationally (63th percentile). The grade of B+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.