Hillsdale, NJ: 1 Health Violation - Home Safety 66/100
1 ZIP code · 1 water system · Updated
ZipCheckup grade for Hillsdale: C.
A mixed picture - some signals here are worth your attention.
Hillsdale water quality is uneven - some service areas show clean compliance; others carry documented violations in NJ EPA records.
How Hillsdale Compares
Data: EPA SDWIS
Key Facts for Hillsdale Residents
- Your city's water systems recorded 1 violation in the past 5 years.
- Average lead level: 0.011 mg/L.
- Homes built before 1986: 90% - older plumbing may contain lead solder.
- Estimated remediation: $2,200 per household.
- CDC health risk index: 10.21.
Hillsdale's Water Providers
Hillsdale, NJ runs on one primary water provider among the 1 federally tracked system. A single utility is responsible for the overwhelming share of residential supply - including the infrastructure, compliance filings, and rate schedules that govern service for most households.
- C
Overview
We track home safety data for 1 ZIP code in Hillsdale, New Jersey (population ~10,086), covering 1 community water system serving approximately 792,713 people region-wide. The EPA snapshots used for this build directly map water systems to 1 of 1 ZIP codes.
1 of 1 ZIP code with a reported violation count in the available EPA record (100%) have recorded EPA violations. 1 health-based violation appear in the available health breakdown.
Home Safety Score
Average Home Safety Score for Hillsdale: C (66/100)
Model 4.0.0 uses four measured components across three equally weighted domains. If a required domain is unavailable, no score is published:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| PFAS MCL Screen | UCMR 5 testing against the covered federal MCLs |
| Radon Risk | EPA radon zone classification |
| Annual AQI | EPA AirData county-year median with at least 90 observed days |
Water Sources
Hillsdale water systems draw from: Surface water.
Lead & Copper
- Average lead level (90th percentile): 0.0110 mg/L (EPA action level: 0.015 mg/L)
- 0 of 1 ZIP code with known status exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 2 (Moderate Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Top Contaminants
| Contaminant | Category | Violations | ZIPs Affected |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 2 | 1 |
Areas with Most Violations
| ZIP Code | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|
| 07642 | C | 1 | 1 | Veolia Water New Jersey Hackensack |
All ZIP Codes in Hillsdale
- 07642 [C] - 1 violation ⚠
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
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
Hillsdale Community Health Snapshot
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
What's in Hillsdale's Water?
Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.
Hillsdale Infrastructure Age
With 90% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Two dates define the high-risk tiers of residential plumbing from a lead standpoint: 1970, before which lead pipes were commonly installed for service connections, and 1986, before which lead solder was standard in copper plumbing. A median build year of 1951 places Hillsdale's housing distribution well within that older risk zone. The bar chart above breaks down how much of the stock falls into each era - and the pre-1986 share alone represents more than half the residential inventory, making plumbing-era risk a defining characteristic of the local water safety picture.
Over half of homes in Hillsdale were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
How Remediation Costs Compare in Hillsdale
Remediation costs in Hillsdale are small relative to typical property values - the cost-to-value ratio here is favorable.
Remediation costs in Hillsdale are relatively low compared to home values. The $1,200–$3,400 estimated range is a small fraction of median property value. Home values are 36% above the New Jersey average.
Hillsdale: Lead Risk & Vulnerable Populations
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 90% of Hillsdale stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Hillsdale: NFIP Claim Records and Water-Quality Context
Historical NFIP data for Hillsdale contains 423 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $19,269. Among ZIP codes with claim records, 100% have an A- or V-family dominant rated zone recorded in those historical claims. This is not a complete current FEMA property-map inventory.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. The <strong>$2,200</strong> remediation estimate shown here excludes flood insurance and is not derived from NFIP claim count.
Claim count does not establish current property risk. Check the exact address in FEMA's current map and obtain a property-specific insurance quote when relevant.
Source: historical FEMA National Flood Insurance Program (NFIP) claim records. No current FEMA property-map designation is asserted.
What You Can Do in Hillsdale
- Test your water at home. City-level data shows averages - your tap may differ. Lead testing is especially recommended given the area's lead levels.
- Install a certified water filter. Filters rated for Stage 1 DBP Rule can reduce the most common contaminant found in Hillsdale's water.
- Check your home's plumbing. With 90% of homes built before 1986, lead solder is a real possibility.
Deep Dive Reports
Detailed analysis for Hillsdale, NJ