CITY REPORT NJ

Morris Plains, NJ: High Radon Risk — 45/100 (2026)

1 ZIP code · 3 water systems · Updated 2026-06-04

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

How Morris Plains Compares

Morris Plains45/100
New Jersey avg58/100
National avg67/100

Data: EPA SDWIS Last verified: 2026-06-04

1
ZIP Codes
3
Water Systems
0
ZIPs with Violations
D · 45
Avg Safety Score
Zone 1
Radon Risk (High)
$571K
Median Home Value
$3,000
Est. Remediation (0.5% of home value)

Key Facts for Morris Plains Residents

  • Homes built before 1986: 70% — older plumbing may contain lead solder.
  • Estimated remediation: $3,000 per household.
  • CDC health risk index: 9.89.

Morris Plains's Water Providers

Federal records list 3 water systems tied to Morris Plains, NJ. Of those, 3 are the primary providers, meaning service conditions, rate structures, and compliance histories can differ depending on where a property sits.

SOUTHEAST MORRIS COUNTY MUA
Serves ~62,349 people
45
/100
45
/100
Denville Twp Water Department
Serves ~15,881 people
45
/100

Overview

We track water quality and home safety data for 1 ZIP code in Morris Plains, New Jersey (population ~21,576), covering 3 community water systems serving approximately 128,630 people region-wide.

No EPA violations recorded across any ZIP codes in Morris Plains — an excellent indicator of water quality.

Home Safety Score

Average Home Safety Score for Morris Plains: D (45/100)

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

Morris Plains water systems draw from: Surface water.

Lead & Copper

  • Lead data: not yet available for Morris Plains
  • 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.

Areas with No Violations

ZIP Code Safety Score System Population
07950 D SOUTHEAST MORRIS COUNTY MUA 62,349

All ZIP Codes in Morris Plains

Data Sources

Updated daily.

Morris Plains 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

Morris Plains Infrastructure Age

1976
Median Build Year
70%
Built Before 1986
30%
Built Before 1970
Copper
Likely Pipe Material

With 70% 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

The character of Morris Plains's housing stock is one of deep historical layering — a median build year of 1976 signals a city built largely before the plumbing era changes of 1986 and 1970. Lead-soldered copper joints and, in the oldest properties, lead service lines are commonly present in this inventory. That context shapes what individual water testing may reveal, particularly in neighborhoods where the oldest housing is concentrated.

1976
Median Year Built
70%
Pre-1986 (Lead Paint Risk)
30%
Pre-1970 (Lead Pipes Risk)
Pre-1970 (30%) 1970–1986 (40%) Post-1986 (30%)

Over half of homes in Morris Plains 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 Morris Plains

Across Morris Plains, the equity share taken up by estimated remediation is small — a favorable ratio for most property owners.

Median Home Value
$571,300
Est. Remediation
$3,000
Remediation as % of home value 0.5%

Remediation costs in Morris Plains 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 18% above the New Jersey average.

Morris Plains: Lead Risk & Vulnerable Populations

70%
Homes Built Before 1986

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.

70% — that captures the slice of Morris Plains housing dating from before the federal ban on solder containing lead. It pairs with aggregate utility readings that either approach or cross 0.015 mg/L, the benchmark set under the EPA Lead and Copper Rule. Together, the two figures shift one-home reads into a standard household-level confirmation, particularly for families with kids. A certified lead-removal filter is available through retailer-verified channels if a kit returns results that warrant additional measures.

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

Morris Plains: Flood History & Water Damage Risk

Across the NFIP's long tracking period, Morris Plains shows 27 claims and 100% of ZIP codes within FEMA-designated flood zones — figures that place it in moderate flood exposure territory. At this level, the water-quality implications of flooding — contaminated wells, stressed treatment intake, distribution backflow — move from theoretical edge cases to genuine periodic risks, particularly during higher-severity events.

27
Total FEMA Flood Claims
$11,662
Avg Claim Payout
100%
ZIPs in FEMA Flood Zones
~1
Est. Claims/Year

Morris Plains has a moderate flood history with 27 FEMA claims averaging $11,662 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 Morris Plains

  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. An NSF-certified pitcher or under-sink filter removes most common contaminants.
  3. Check your home's plumbing. With 70% 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 Morris Plains, NJ?
Morris Plains has an average water safety score of 45/100 (Grade D). No EPA violations on record. Check individual ZIP code reports for details specific to your neighborhood.
How does Morris Plains compare to New Jersey average?
Morris Plains has an average water safety score of 45/100, which is below the New Jersey state average of 58/100.
How many water systems serve Morris Plains?
Morris Plains is served by 3 public water systems across 1 ZIP code, serving approximately 21,576 people.
How much does it cost to fix water issues in Morris Plains?
Estimated remediation costs in Morris Plains 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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