Is Blairstown Twp.-2104, NJ Tap Water Safe to Drink?
Graded A-, with 9 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
85.8/100
waterverge.com Blairstown Twp.-2104, NJ — Water Quality Report
Blairstown Twp.-2104's drinking water received a grade of A- (85.8 out of 100), indicating good water quality. The city's 1 water system serves approximately 800 residents using groundwater.
Lead levels were measured at 5.9 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. 9 remain unresolved.
What to know about Blairstown Twp.-2104's water
Blairstown Twp.-2104 ranks #45 out of 435 cities in New Jersey for water quality, placing it above average in the state.
Blairstown Twp.-2104 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, Blairstown Twp.-2104 may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
Water quality score
See methodology →Is Blairstown Twp.-2104, NJ water safe to drink?
Blairstown Twp.-2104's drinking water has significant quality concerns based on EPA testing data. With a grade of A- (85.8/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 1 water system serves approximately 800 residents using groundwater (wells).
Recent water quality updates for Blairstown Twp.-2104
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Blairstown Twp.-2104's water quality assessment. Grade: A- (85.8/100).
Contaminants: Lead and Copper Rule.
Contaminants: Lead and Copper Rule.
Contaminants: Consumer Confidence Rule.
Key contaminant findings
Based on the most recent EPA sampling data for Blairstown Twp.-2104'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
Blairstown Twp.-2104's water system has 28 total violations on record, including 0 health-based violations. 9 remain unresolved. 1 violation was issued in the last 5 years.
Where does Blairstown Twp.-2104's water come from?
Blairstown Twp.-2104's drinking water comes from groundwater (wells), supplied by 1 water system serving approximately 800 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Blairstown Twp.-2104 residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Blairstown Twp.-2104'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.
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 droughtWarren 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.
Recommended water filters
Based on contaminants detected in Blairstown Twp.-2104'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. | 5.9 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Blairstown Twp.-2104 compares by contaminant
Explore where Blairstown Twp.-2104 ranks among all New Jersey cities for specific contaminants.
Water source & infrastructure
Where Blairstown Twp.-2104's water comes from
Blairstown Twp.-2104'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 local government ownership and serves approximately 800 people through 1 water system.
Water systems serving Blairstown Twp.-2104
| System Name | PWSID | Population | Source |
|---|---|---|---|
| TOWNSHIP OF BLAIRSTOWN DPW | NJ2104001 | 800 | GW |
How Blairstown Twp.-2104 compares
Full New Jersey rankings →Blairstown Twp.-2104's score of 85.8/100 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 →Learn more about your water
Guides and resources related to Blairstown Twp.-2104's water quality findings.
Explore water quality across Warren
Frequently asked questions
Is Blairstown Twp.-2104, NJ tap water safe to drink?
Blairstown Twp.-2104's water quality earned a grade of A- (85.8/100). The water generally meets EPA standards and is considered safe for consumption. The city ranks #45 out of 435 cities tested in New Jersey.
What contaminants are in Blairstown Twp.-2104's water?
Lead was measured at 5.9 ppb (90th percentile). 28 violations are on record.
How is Blairstown Twp.-2104'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 Blairstown Twp.-2104?
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 Blairstown Twp.-2104's water come from?
Blairstown Twp.-2104's water is sourced from Groundwater. The city has 1 water system serving approximately 800 residents.
Is Blairstown Twp.-2104's groundwater at risk of contamination?
Blairstown Twp.-2104 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 Blairstown Twp.-2104's water compare to other cities?
Blairstown Twp.-2104 ranks #45 out of 435 cities in New Jersey (better than 90% of state cities) and #5121 out of 15744 cities nationally (68th percentile). The grade of A- reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.
Does Blairstown Twp.-2104's small water system affect quality?
Blairstown Twp.-2104's system serves approximately 800 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 28 violations on record.