CITY REPORT NJ

Rockaway, NJ: 11 Violations — 46/100 (2026)

1 ZIP code · 5 water systems · Updated 2026-06-03

Systems across Rockaway show elevated violation counts against NJ benchmarks — the low safety grade reflects that ongoing compliance pattern.

How Rockaway Compares

Rockaway46/100
New Jersey avg58/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-03

1
ZIP Codes
5
Water Systems
1
ZIPs with Violations
D · 46
Avg Safety Score
Zone 1
Radon Risk (High)
$434K
Median Home Value
$3,000
Est. Remediation (0.7% of home value)

Key Facts for Rockaway Residents

  • Your city's water systems recorded 11 violations in the past 5 years.
  • Average lead level: 0.0028 mg/L.
  • Homes built before 1986: 71% — older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 9.89.

Rockaway's Water Providers

At present, 3 utilities serve the bulk of Rockaway, NJ's residential water connections out of 5 systems active in the area, spread across independent providers with separate infrastructure and compliance obligations.

Dover Water Commission
Serves ~27,806 people · 11 violations
46
/100
Denville Twp Water Department
Serves ~15,881 people · 11 violations
46
/100
Rockaway Twp Water Department
Serves ~14,000 people · 11 violations
46
/100

Overview

We track water quality and home safety data for 1 ZIP code in Rockaway, New Jersey (population ~22,632), covering 5 community water systems serving approximately 70,764 people region-wide.

1 of 1 ZIP code (100%) have recorded EPA violations. All violations are monitoring/reporting type.

Home Safety Score

Average Home Safety Score for Rockaway: D (46/100)

The score combines three factors:

Factor What It Measures
Water Quality EPA violations and compliance history
Lead Levels 90th percentile lead concentration vs EPA action level
Radon Risk EPA radon zone classification

Water Sources

Rockaway water systems draw from: Groundwater.

Lead & Copper

  • Average lead level (90th percentile): 0.0028 mg/L (EPA action level: 0.015 mg/L)
  • 0 ZIP codes exceed the EPA lead action level

Radon Risk

Dominant radon zone: Zone 1 (High Risk)

The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.

Top Contaminants

Contaminant Category Violations ZIPs Affected
Lead and Copper Rule Treatment Technique 6 1
Revised Total Coliform Rule Microbiological 6 1
Stage 1 DBP Rule Treatment Technique 4 1
Lead Inorganic 2 1
Total Coliform Microbiological 2 1

Areas with Most Violations

ZIP Code Safety Score Violations Health-Based System
07866 D 11 0 Rockaway Twp Water Department

All ZIP Codes in Rockaway

  • 07866 [D] — 11 violations

Data Sources

Updated daily.

Rockaway Community Health Snapshot

8.3%
Asthma (US: 9.8%)
9%
Diabetes (US: 10.4%)
13%
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 8.3% ↓
Diabetes 9% ↓
Mental Health 13% ↓

Vertical line = national average. Above national · Below national

What's in Rockaway's Water?

Lead and Copper Rule 6 violations
Treatment Technique
Developmental delays in children, kidney damage
Revised Total Coliform Rule 6 violations
Microbiological
Indicates possible bacterial contamination
Stage 1 DBP Rule 4 violations
Treatment Technique
Disinfection byproduct exposure risk

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

Rockaway Infrastructure Age

1963
Median Build Year
71%
Built Before 1986
36%
Built Before 1970
Galvanized Steel or Copper
Likely Pipe Material

With 71% 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

Heavily weighted toward older construction, Rockaway's housing stock carries a median build year of 1963. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.

1963
Median Year Built
71%
Pre-1986 (Lead Paint Risk)
36%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (36%) 1970–1986 (35%) Post-1986 (29%)

Over half of homes in Rockaway 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 Rockaway

The household financial picture for Rockaway homeowners is proportionally favorable — addressing documented issues claims a small slice of equity, and the cost-to-value ratio puts this area well within the manageable tier.

Median Home Value
$434,200
Est. Remediation
$3,000
Remediation as % of home value 0.7%

Remediation costs in Rockaway are relatively low compared to home values. The $2,000–$4,100 estimated range is a small fraction of median property value. Home values are 10% below the New Jersey average.

Rockaway: Lead Risk & Vulnerable Populations

71%
Homes Built Before 1986
0.0028
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 71% 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 Rockaway address.

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

Rockaway: Flood History & Water Damage Risk

The National Flood Insurance Program captures decades of claims at the local level, building a record of cumulative community flood exposure. For Rockaway, that record documents 129 claims and 100% of ZIP codes inside FEMA-designated flood zones. What makes those numbers relevant to water quality is the set of mechanisms flooding activates: heavy precipitation that floods treatment intake zones can introduce contaminants upstream of normal filtration; well casings in low-lying areas can be infiltrated by floodwaters carrying bacteria, sediment, and chemical residue; and distribution system pressure changes during flooding can create backflow conditions. These effects become more probable as flood frequency and magnitude increase — and the NFIP record indicates both are meaningful factors locally.

129
Total FEMA Flood Claims
$13,786
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones
~6
Est. Claims/Year

Rockaway has a moderate flood history with 129 FEMA claims averaging $13,786 per payout. 100% of ZIP codes fall within FEMA flood zones. Flood events can contaminate drinking water and overwhelm treatment systems.

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. Flood damage can add significantly to the estimated <strong>$3,000</strong> remediation cost per household.

Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.

Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.

What You Can Do in Rockaway

  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 Lead and Copper Rule can reduce the most common contaminant found in Rockaway's water.
  3. Check your home's plumbing. With 71% of homes built before 1986, lead solder is a real possibility.
  4. Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.

Frequently Asked Questions

Is the water safe to drink in Rockaway, NJ?
Rockaway has an average water safety score of 46/100 (Grade D). 11 EPA violations have been recorded. Check individual ZIP code reports for details specific to your neighborhood.
How many water violations does Rockaway have?
Rockaway water systems have a total of 11 EPA violations. Violations are tracked across 1 ZIP code.
Does Rockaway water have lead?
The average 90th-percentile lead level in Rockaway is 0.0028 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 Rockaway compare to New Jersey average?
Rockaway has an average water safety score of 46/100, which is below the New Jersey state average of 58/100.
How many water systems serve Rockaway?
Rockaway is served by 5 public water systems across 1 ZIP code, serving approximately 22,632 people.
How much does it cost to fix water issues in Rockaway?
Estimated remediation costs in Rockaway average $3,000 per household, ranging from $2,000 to $4,100. Costs include filtration, pipe replacement, radon mitigation, and flood protection.
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