Morris County, New Jersey
58 ZIP codes · Avg score 45/100 · Grade D · Updated
ZipCheckup grade for Morris County: D.
Several federal signals point to home-safety risks in this ZIP.
Your top priority: see the breakdown below and consider a certified water filter. NSF certified filters →
In recent EPA cycles, Morris County's 58 ZIP codes show a persistent below-average water quality pattern - documented violations span multiple areas, have appeared consistently across recent reporting periods, and the compliance shortfalls are spread across the county rather than isolated to a single geographic pocket or utility district, suggesting a broader structural issue rather than a localized anomaly.
How Morris County Compares
How Morris County Compares
Morris County scores 16 points below the New Jersey state average (61/100) and 28 points below the national average (73/100).
Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData Last verified:
ZIP Code Risk Map
Water Quality Map: Morris County, New Jersey
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Key Risk Factors
Health risk index: 9.9 (asthma 8.3%, diabetes 9%)
Estimated additional annual cost per homeowner: $2,768, driven primarily by flood
73.8% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Morris County water systems. Health-based shown in red, total in blue.
Peak year: 2024 with 35 violations. Past 5 years: 101 total (101 health-based).
Source: EPA SDWIS historical violations. Data may lag 6–12 months for the most recent year.
County Health Indicators vs National Average
Black markers indicate national averages. Source: CDC PLACES, Census ACS.
Infrastructure Overview
Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINS infrastructure needs, EPA SDWIS violations, and EPA lead indicators.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $2,768
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
193,306 housing units in Morris County
Source: U.S. Census Bureau ACS B25034 (Year Structure Built).
Water Safety Affordability
How much it costs to fix water issues relative to home values in Morris County
Remediation costs are relatively manageable for most homeowners in Morris County, representing a small fraction of property value.
Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.
Health Outcomes vs National Average
CDC PLACES data for Morris County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water systems serving Morris County
8 community water systems serving Morris County.
- D
- D
- D
- F
- D
- F
Show all 8 water systems
- F
- F
47 total water systems serve Morris County.
Systems with the most violations in Morris County
5 water systems with recorded EPA violations.
- F
- F
- F
- F
- F
All ZIP Codes in Morris County
58 ZIP codes tracked in Morris County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 07970 | Mount Freedom | 67 | C | 3 | — |
| 2 | 07457 | Riverdale | 65 | C | 4 | $385K |
| 3 | 07876 | Succasunna | 61 | C | 7 (3 health) | $481K |
| 4 | 07444 | Pompton Plains | 60 | C | 20 | $488K |
| 5 | 07856 | Mount Arlington | 54 | D | 33 (3 health) | $390K |
| 6 | 07803 | Mine Hill | 52 | D | 16 (3 health) | $378K |
| 7 | 07926 | Brookside | 50 | D | 3 | — |
| 8 | 07927 | Cedar Knolls | 50 | D | 2 | $610K |
| 9 | 07933 | Gillette | 50 | D | 3 | $638K |
| 10 | 07935 | Green Village | 50 | D | 5 | $690K |
| 11 | 07945 | Mendham | 50 | D | 5 | $894K |
| 12 | 07946 | Millington | 50 | D | 3 | $755K |
| 13 | 07980 | Stirling | 50 | D | 3 | $661K |
| 14 | 07981 | Whippany | 50 | D | 2 | $611K |
| 15 | 07045 | Montville | 49 | D | 4 (3 health) | $647K |
| 16 | 07054 | Parsippany | 49 | D | 5 | $569K |
| 17 | 07649 | Oradell | 49 | D | 1 (1 health) | $702K |
| 18 | 07928 | Chatham | 49 | D | 7 | $966K |
| 19 | 07034 | Lake Hiawatha | 48 | D | 9 (3 health) | $403K |
| 20 | 07046 | Mountain Lakes | 47 | D | 10 | $915K |
| 21 | 07936 | East Hanover | 47 | D | 10 (1 health) | $669K |
| 22 | 07440 | Pequannock | 45 | D | 15 | $515K |
| 23 | 07850 | Landing | 45 | D | 14 | $387K |
| 24 | 07847 | Kenvil | 44 | D | 7 (3 health) | $338K |
| 25 | 07857 | Netcong | 44 | D | 12 (3 health) | $344K |
| 26 | 07869 | Randolph | 43 | D | 57 | $636K |
| 27 | 07852 | Ledgewood | 42 | D | 10 (3 health) | $425K |
| 28 | 07932 | Florham Park | 41 | D | 27 | $719K |
| 29 | 07035 | Lincoln Park | 40 | D | 21 (11 health) | $423K |
| 30 | 07405 | Butler | 39 | F | 31 (9 health) | $553K |
| 31 | 07849 | Lake Hopatcong | 38 | F | 69 (8 health) | $413K |
| 32 | 07940 | Madison | 37 | F | 39 | $883K |
| 33 | 07960 | Morristown | 37 | F | 40 | $701K |
| 34 | 07950 | Morris Plains | 34 | F | 51 | $571K |
| 35 | 07005 | Boonton | 33 | F | 116 (4 health) | $566K |
| 36 | 07801 | Dover | 33 | F | 117 | $369K |
| 37 | 07828 | Budd Lake | 33 | F | 472 (18 health) | $433K |
| 38 | 07834 | Denville | 33 | F | 102 | $552K |
| 39 | 07836 | Flanders | 33 | F | 414 (16 health) | $518K |
| 40 | 07853 | Long Valley | 33 | F | 339 (10 health) | $601K |
| 41 | 07866 | Rockaway | 33 | F | 159 | $434K |
| 42 | 07885 | Wharton | 33 | F | 131 (11 health) | $345K |
| 43 | 07058 | Pine Brook | — | — | 4 (3 health) | $686K |
| 44 | 07082 | Towaco | — | — | 4 (3 health) | $687K |
| 45 | 07435 | Newfoundland | — | — | 31 (2 health) | $465K |
| 46 | 07802 | Dover | — | — | — | |
| 47 | 07806 | Picatinny Arsenal | — | — | — | |
| 48 | 07842 | Hibernia | — | — | — | |
| 49 | 07845 | Ironia | — | — | — | |
| 50 | 07870 | Schooleys Mountain | — | — | 4 | — |
| 51 | 07878 | Mount Tabor | — | — | 5 | $436K |
| 52 | 07930 | Chester | — | — | $758K | |
| 53 | 07934 | Gladstone | — | — | $816K | |
| 54 | 07961 | Convent Station | — | — | 27 | — |
| 55 | 07962 | Morristown | — | — | — | |
| 56 | 07963 | Morristown | — | — | — | |
| 57 | 07976 | New Vernon | — | — | 2 | $1375K |
| 58 | 07999 | Whippany | — | — | — |
Recommended Buyer Guides for Morris County
Editorial-only picks, screened against the EPA detections on file.
- Best Water Filters for PFAS — PFAS detected in 15 ZIP codes
- Best Lead Paint Test Kits — 73.8% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Radon Test Kits — EPA Radon Zone 1 (highest risk) dominant in county
- Best Sump Pumps — Flood is the top compound risk factor
Deep Dive Reports
Detailed analysis for Morris County, New Jersey
Overview
Morris County in New Jersey covers 58 tracked ZIP records with an average Home Safety Score of D (45/100) across 42 scored records.
49 of 49 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 51 health-based violations appear in the available health breakdown.
← Back to New Jersey Home Safety Profile
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- PFAS screening: EPA UCMR 5
- Radon zones: EPA Map of Radon Zones
- Air quality: EPA AirData annual AQI
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Reporting periods vary by source. Missing data is shown as unavailable, not as zero.
What You Can Do
Morris County has a grade of D. Here are steps to protect your household.
Test your tap water
Order a certified lab test kit ($20-$50) to check for lead, bacteria, and other contaminants specific to your ZIP code.
Consider a certified water filter
NSF-certified filters can remove most common contaminants. Match the filter to your test results for best protection. Try our filter matcher
Contact your water utility
Request the latest Consumer Confidence Report (CCR) from your water provider. It details exactly what was found in your water supply.
Check for lead in your home
73.8% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.