CITY REPORT NJ

Ho Ho Kus, NJ: 5 Violations - Home Safety 66/100

1 ZIP code · 1 water system · Updated

ZipCheckup grade for Ho Ho Kus: C.

A mixed picture - some signals here are worth your attention.

Compliance figures for Ho Ho Kus indicate average water quality in NJ overall - some service areas have recorded health-based violations in recent monitoring cycles, while others operate cleanly, making system-level data the most actionable reference point for residents.

How Ho Ho Kus Compares

Ho Ho Kus66/100
New Jersey avg61/100
National avg73/100

Data: EPA SDWIS

1
ZIP Codes
1
Water Systems
1
ZIPs with Violations
C · 66
Avg Safety Score
Zone 2
Radon Risk (Moderate)
$1.0M
Median Home Value
$2,200
Est. Remediation (0.2% of home value)

Key Facts for Ho Ho Kus Residents

  • Your city's water systems recorded 5 violations in the past 5 years.
  • Average lead level: 0.003 mg/L.
  • Homes built before 1986: 89% - older plumbing may contain lead solder.
  • Estimated remediation: $2,200 per household.
  • CDC health risk index: 10.21.

Ho Ho Kus's Water Providers

As of current federal records, Ho Ho Kus, NJ is served primarily by one water utility among 1 tracked system. That single provider handles infrastructure investment, rate adjustments, and regulatory reporting under EPA oversight.

Overview

We track home safety data for 1 ZIP code in Ho Ho Kus, New Jersey, covering 1 community water system serving approximately 4,230 people. 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. The available record reports no health-based violations for this measured scope.

Home Safety Score

Average Home Safety Score for Ho Ho Kus: 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

Ho Ho Kus water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0030 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
Revised Total Coliform Rule Microbiological 10 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
07423 C 5 0 Ho Ho Kus Water Department

All ZIP Codes in Ho Ho Kus

  • 07423 [C] - 5 violations

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Ho Ho Kus Community Health Snapshot

8%
Asthma (US: 9.8%)
9.7%
Diabetes (US: 10.4%)
13.6%
Poor Mental Health (US: 14.8%)

Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.

Compared to National Average

Asthma 8% ↓
Diabetes 9.7% ↓
Mental Health 13.6% ↓

Vertical line = national average. Above national · Below national

What's in Ho Ho Kus's Water?

Revised Total Coliform Rule 10 violations
Microbiological
Indicates possible bacterial contamination

Based on EPA violation records. Check your ZIP code report for system-specific contaminant data.

Ho Ho Kus Infrastructure Age

1955
Median Build Year
89%
Built Before 1986
61%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 89% 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

Because the majority of Ho Ho Kus's housing predates 1986, when lead solder was banned from new plumbing, the median build year of 1955 reflects a city where lead-era plumbing materials are common rather than exceptional.

1955
Median Year Built
89%
Pre-1986 (Lead Paint Risk)
61%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (61%) 1970–1986 (28%) Post-1986 (11%)

Over half of homes in Ho Ho Kus 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 Ho Ho Kus

In Ho Ho Kus, property wealth outpaces what documented remediation typically demands - the equity burden lands well within the low tier.

Median Home Value
$1.0M
Est. Remediation
$2,200
Remediation as % of home value 0.2%

Remediation costs in Ho Ho Kus 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 114% above the New Jersey average.

Ho Ho Kus: Lead Risk & Vulnerable Populations

89%
Homes Built Before 1986
0.003
mg/L Avg Lead (Limit: 0.015)

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.

When older housing represents 89% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Ho Ho Kus address.

Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.

Ho Ho Kus: NFIP Claim Records and Water-Quality Context

53
Total FEMA Flood Claims
$14,236
Avg Reported Sum With Payment Data
100%
A/V Share of Claim-Record ZIPs

Historical NFIP data for Ho Ho Kus contains 53 flood insurance claims. Among claims with payment data, the average reported building, contents, and ICC component sum is $14,236. 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 Ho Ho Kus

  1. Test your water at home. City-level data shows averages - your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
  2. Install a certified water filter. Filters rated for Revised Total Coliform Rule can reduce the most common contaminant found in Ho Ho Kus's water.
  3. Check your home's plumbing. With 89% of homes built before 1986, lead solder is a real possibility.

Frequently Asked Questions

What does the Home Safety Score mean for Ho Ho Kus, NJ?
Ho Ho Kus has an average Home Safety Score of 66/100 (Grade C) under model 4.0.0. The score combines EPA SDWIS identity plus accepted ECHO SDWA lifecycle-based water compliance, the PFAS MCL screen, EPA radon zone, and annual EPA AQI, and is published only when all required domains are observed. 5 EPA violations have been recorded. Check individual ZIP code reports for component details.
How many water violations does Ho Ho Kus have?
Ho Ho Kus water systems have a total of 5 EPA violations. Violations are tracked across 1 ZIP code.
Does Ho Ho Kus water have lead?
The average 90th-percentile lead level in Ho Ho Kus is 0.003 mg/L. This is below the EPA action level of 0.015 mg/L. Lead levels can vary by home - testing is recommended especially in older properties.
How does Ho Ho Kus compare to New Jersey average?
Ho Ho Kus has an average Home Safety Score of 66/100, which is above the New Jersey state average of 61/100 for the same model series.
How many water systems serve Ho Ho Kus?
Ho Ho Kus is served by 1 public water system across 1 ZIP code, serving approximately 4,230 people.
How much does it cost to fix water issues in Ho Ho Kus?
Estimated remediation costs in Ho Ho Kus average $2,200 per household, ranging from $1,200 to $3,400. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
HomeCitiesNew Jersey → Ho Ho Kus, NJ

How to cite this page

APA ZipCheckup. (2026). Ho Ho Kus, NJ: 5 Violations - Home Safety 66/100. https://zipcheckup.com/cities/nj/ho-ho-kus/
BibTeX
@misc{zipcheckup-cities-nj-ho-ho-kus,
  author = {{ZipCheckup}},
  title  = {{Ho Ho Kus, NJ: 5 Violations - Home Safety 66/100}},
  year   = {2026},
  url    = {https://zipcheckup.com/cities/nj/ho-ho-kus/}
}

Page version: August 2026.

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