Water Quality in Haworth, NJ: 1 Violation — Grade C
Grade C · Score 67/100 · 5 water systems · Updated 2026-05-03
Haworth's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
Tracked under the EPA Safe Drinking Water program, Haworth, NJ shows 1 water violation on file — findings that span multiple violation categories and are detailed system by system in the data grid further down the page.
Water Quality by ZIP Code in Haworth
Water quality varies across Haworth's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 07641 | C | 67 | 1 | 1 | View report → |
Water Quality Overview
Haworth, New Jersey receives a water quality grade of C with an overall score of 67 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 5 water systems serving Haworth have accumulated 1 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 808,019 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Haworth's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Haworth water systems is 0.0110 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 86% of homes built before 1986, Haworth has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Radon Risk
Haworth is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Haworth
Haworth is served by 5 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 808,019 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 9 enforcement actions against water systems serving Haworth. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Haworth
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Haworth Water Systems
The following contaminants have been detected or caused violations across Haworth's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | N/A | 1 | 1 | Yes |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 9 enforcement actions against water systems serving Haworth. Recent actions:
| Date | Action Type |
|---|---|
| 2021-03-29 | State Informal Action |
| 2021-03-11 | State Informal Action |
| 2021-03-11 | State Order Extension |
| 2021-02-12 | State Filed Judgment |
| 2021-02-12 | State Informal Enforcement |
| 2021-01-27 | State Filed Judgment |
| 2021-01-26 | State Filed Judgment |
| 2021-01-19 | State Filed Judgment |
| 2021-01-19 | State Informal Enforcement |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2021-03-29.
Haworth vs. Nearby New Jersey Cities
How Haworth's water quality compares to similar cities in New Jersey:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Haworth | C | 1 | 5 | 808,019 |
| Alpine | C | 0 | 1 | 792,713 |
| Bergenfield | D | 0 | 1 | 792,713 |
| Closter | C | 0 | 1 | 792,713 |
Recommended Water Filters for Haworth
Based on contaminants detected in Haworth's water supply, these filter types are recommended:
Reverse Osmosis (under-sink)
- Removes: Barium, Chromium, Nitrate as Nitrogen
- Effectiveness: 90-99%
- Cost range: $150–$500
- Certification: NSF/ANSI 58
- Recommended products:
- Waterdrop G3P800
- iSpring RCC7AK
- APEC ROES-50
Common Questions About Haworth Water
These are the most common questions residents search for about water quality in Haworth, New Jersey:
Is Haworth water hard or soft? Water hardness varies by source. Haworth's 5 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Haworth tap water? Haworth's water receives a grade of C (67/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Haworth? Based on detected contaminants, a reverse osmosis (under-sink) filter is most recommended. See our Water Filter Matcher for personalized recommendations.
Haworth vs. New Jersey Average
Understanding how Haworth compares to the broader New Jersey average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Haworth.
ZIP Codes in Haworth
Haworth spans 1 ZIP code. The ZIP with the lowest water quality score is 07641. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.