Is Holland Twp.-1015, NJ 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 ↓
70.3/100
waterverge.com Holland Twp.-1015, NJ — Water Quality Report
Holland Twp.-1015's drinking water received a grade of B- (70.3 out of 100), indicating fair water quality. The city's 2 water systems serve approximately 793 residents using groundwater.
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 17 violations on record, including 1 health-based violation. 11 remain unresolved.
What to know about Holland Twp.-1015's water
Holland Twp.-1015 ranks #282 out of 435 cities in New Jersey for water quality, placing it below average in the state.
Holland Twp.-1015 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, Holland Twp.-1015 may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 10 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Holland Twp.-1015, NJ water safe to drink?
Holland Twp.-1015's drinking water has significant quality concerns based on EPA testing data. With a grade of B- (70.3/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 793 residents using groundwater (wells).
Recent water quality updates for Holland Twp.-1015
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Holland Twp.-1015's water quality assessment. Grade: B- (70.3/100).
Contaminants: Lead and Copper Rule.
Contaminants: Lead and Copper Rule.
Contaminants: Lead and Copper 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 Holland Twp.-1015'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
Holland Twp.-1015's water system has 17 total violations on record, including 1 health-based violation. 11 remain unresolved. 10 violations were issued in the last 5 years.
Flood & environmental risk
Somerset County has experienced 10 federally declared disasters since 1992. 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 Sb Raritan R At Black Point Rd At Neshanic Sta, South Branch Raritan River At South Branch, Holland Brook At Readington, Middle Brook At Burnt Mills, Lamington River At Burnt Mills.
Where does Holland Twp.-1015's water come from?
Holland Twp.-1015's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 793 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate. Nearby water bodies include Sb Raritan R At Black Point Rd At Neshanic Sta (river), South Branch Raritan River At South Branch (river), Holland Brook At Readington (river), Middle Brook At Burnt Mills (river), Lamington River At Burnt Mills (river).
What Holland Twp.-1015 residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Holland Twp.-1015'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.
Holland Twp.-1015'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
Somerset County has experienced 10 federally declared disasters since 1992. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Recommended water filters
Based on contaminants detected in Holland Twp.-1015'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. | 2.10 | 1.3 | mg/L | Inorganic | Over Limit |
Lead level trend (90th percentile)
Copper level (90th percentile)
Latest reading: 2.100 mg/L (1995)
EPA action level: 1.3 mg/L
See how Holland Twp.-1015 compares by contaminant
Explore where Holland Twp.-1015 ranks among all New Jersey cities for specific contaminants.
Water source & infrastructure
Where Holland Twp.-1015's water comes from
Holland Twp.-1015'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 793 people through 2 water systems.
Water bodies near Holland Twp.-1015
Holland Twp.-1015 is located near 5 notable water bodies. These water bodies contribute to the regional watershed and may indirectly affect groundwater quality.
Water systems serving Holland Twp.-1015
| System Name | PWSID | Population | Source |
|---|---|---|---|
| AQUA NJ - RIEGEL RIDGE | NJ1015003 | 621 | GW |
| AQUA NJ - FOX HILL | NJ1015004 | 172 | GW |
How Holland Twp.-1015 compares
Full New Jersey rankings →Holland Twp.-1015's score of 70.3/100 is above the average of 63/100 among major New Jersey cities. It outscores 5 of 10 nearby cities.
Nearby cities
View New Jersey rankings →About Holland Twp.-1015, NJ
Wikipedia →Jersey City is the second-most populous city in the U.S. state of New Jersey, after Newark. It is the county seat of Hudson County, the county's most populous city and its largest by area. As of the 2020 United States census, the city's population was 292,449, an increase of 44,852 (+18.1%) from the 2010 census count of 247,597. With more than 40 languages spoken in more than 52% of homes and as of 2020, 42.5% of residents born outside the United States, it is the most ethnically diverse city in the United States.
Learn more about your water
Guides and resources related to Holland Twp.-1015's water quality findings.
Explore water quality across Hunterdon
Frequently asked questions
Is Holland Twp.-1015, NJ tap water safe to drink?
Holland Twp.-1015's water quality earned a grade of B- (70.3/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #282 out of 435 cities tested in New Jersey.
What contaminants are in Holland Twp.-1015's water?
Lead was measured at 0.0 ppb (90th percentile). 17 violations are on record.
How is Holland Twp.-1015'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 Holland Twp.-1015?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Holland Twp.-1015's water come from?
Holland Twp.-1015's water is sourced from Groundwater. The city has 2 water systems serving approximately 793 residents.
What health violations has Holland Twp.-1015's water system had?
Holland Twp.-1015 has 1 health-based violation on record. The most recent violation was recorded in April 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 11 violations remain unresolved.
Is Holland Twp.-1015's groundwater at risk of contamination?
Holland Twp.-1015 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 17 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 Holland Twp.-1015's water compare to other cities?
Holland Twp.-1015 ranks #282 out of 435 cities in New Jersey (better than 35% of state cities) and #10767 out of 15744 cities nationally (32th percentile). The grade of B- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.