Bergen County, New Jersey
71 ZIP codes · Avg score 54/100 · Grade D · Updated 2026-06-03
Water systems serving Bergen County's 71 ZIP codes record elevated violation rates — residents in affected areas may want to verify their local system's current status.
How Bergen County Compares
How Bergen County Compares
Bergen County scores 4 points below the New Jersey state average (58/100) and 14 points below the national average (68/100).
Data: EPA SDWIS Last verified: 2026-06-03
ZIP Code Risk Map
Water Quality Map: Bergen 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: 10.3 (asthma 8.1%, diabetes 9.9%)
Estimated additional annual cost per homeowner: $4,312, driven primarily by flood
Infrastructure: 0.468% avg pipe failure probability, 82% of ZIPs at high risk
79.9% of homes built before 1978 (lead paint era)
Violation History (2021–2025)
→ Stable trendEPA violation counts by year across Bergen County water systems. Health-based shown in red, total in blue.
Peak year: 2025 with 13 violations. Past 5 years: 28 total (28 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
Sources: Census ACS (housing age), EPA SDWIS (infrastructure risk model), state bridge inspection data.
Compound Risk Breakdown
Estimated additional annual cost per homeowner: $4,312
Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).
Housing Age Distribution
370,361 housing units in Bergen 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 Bergen County
Remediation costs are relatively manageable for most homeowners in Bergen 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 Bergen County residents
Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.
Water Systems with Most Violations
Top 5 systems in Bergen County ranked by EPA violation count.
| # | Water System | Population | Violations |
|---|---|---|---|
| 1 | RIDGEWOOD WATER | 61,700 | 22 |
| 2 | Mahwah Water Department | 26,777 | 22 |
| 3 | Ramsey Water Department | 15,207 | 21 |
| 4 | WALLINGTON WATER DEPT | 11,583 | 9 |
| 5 | SADDLE BROOK WATER DEPT | 13,155 | 8 |
19 total water systems serve Bergen County.
All ZIP Codes in Bergen County
71 ZIP codes tracked in Bergen County.
| # | ZIP Code | City | Safety Score | Grade | Violations | Home Value |
|---|---|---|---|---|---|---|
| 1 | 7495 | Mahwah | 78 | B | 1 (1 health) | — |
| 2 | 7481 | Wyckoff | 77 | B | 0 | $909K |
| 3 | 7656 | Park Ridge | 75 | B | 4 | $666K |
| 4 | 7071 | Lyndhurst | 68 | C | 1 | $496K |
| 5 | 7641 | Haworth | 67 | C | 1 (1 health) | $815K |
| 6 | 7026 | Garfield | 66 | C | 1 | $454K |
| 7 | 7436 | Oakland | 66 | C | 2 | $567K |
| 8 | 7451 | Ridgewood | 66 | C | 11 | — |
| 9 | 7430 | Mahwah | 64 | C | 1 (1 health) | $590K |
| 10 | 7446 | Ramsey | 64 | C | 20 | $666K |
| 11 | 7608 | Teterboro | 63 | C | 0 | — |
| 12 | 7620 | Alpine | 63 | C | 0 | $2000K |
| 13 | 7632 | Englewood Cliffs | 63 | C | 0 | $1233K |
| 14 | 7663 | Saddle Brook | 60 | C | 8 (2 health) | $474K |
| 15 | 7024 | Fort Lee | 55 | C | 0 | $422K |
| 16 | 7057 | Wallington | 55 | C | 9 | $494K |
| 17 | 7401 | Allendale | 55 | C | 0 | $765K |
| 18 | 7417 | Franklin Lakes | 55 | C | 0 | $1219K |
| 19 | 7432 | Midland Park | 55 | C | 0 | $586K |
| 20 | 7452 | Glen Rock | 55 | C | 0 | $817K |
| 21 | 7503 | Paterson | 55 | C | 0 | $315K |
| 22 | 7504 | Paterson | 55 | C | 0 | $370K |
| 23 | 7513 | Paterson | 55 | C | 0 | $387K |
| 24 | 7602 | Hackensack | 55 | C | 0 | — |
| 25 | 7603 | Bogota | 55 | C | 0 | $443K |
| 26 | 7604 | Hasbrouck Heights | 55 | C | 0 | $509K |
| 27 | 7605 | Leonia | 55 | C | 0 | $635K |
| 28 | 7607 | Maywood | 55 | C | 0 | $496K |
| 29 | 7624 | Closter | 55 | C | 0 | $820K |
| 30 | 7627 | Demarest | 55 | C | 0 | $965K |
| 31 | 7630 | Emerson | 55 | C | 0 | $626K |
| 32 | 7640 | Harrington Park | 55 | C | 0 | $709K |
| 33 | 7645 | Montvale | 55 | C | 0 | $689K |
| 34 | 7648 | Norwood | 55 | C | 0 | $676K |
| 35 | 7649 | Oradell | 55 | C | 0 | $702K |
| 36 | 7650 | Palisades Park | 55 | C | 0 | $704K |
| 37 | 7653 | Paramus | 55 | C | 0 | — |
| 38 | 7676 | Township Of Washington | 55 | C | 0 | $641K |
| 39 | 7677 | Woodcliff Lake | 55 | C | 0 | $902K |
| 40 | 7699 | Teterboro | 53 | D | 0 | — |
| 41 | 7450 | Ridgewood | 51 | D | 11 | $883K |
| 42 | 7031 | North Arlington | 50 | D | 0 | $465K |
| 43 | 7055 | Passaic | 50 | D | 0 | $407K |
| 44 | 7075 | Wood Ridge | 50 | D | 0 | $533K |
| 45 | 7407 | Elmwood Park | 50 | D | 0 | $456K |
| 46 | 7423 | Ho Ho Kus | 50 | D | 0 | $1033K |
| 47 | 7458 | Saddle River | 50 | D | 0 | $1187K |
| 48 | 7606 | South Hackensack | 50 | D | 0 | $515K |
| 49 | 7621 | Bergenfield | 50 | D | 0 | $469K |
| 50 | 7626 | Cresskill | 50 | D | 0 | $765K |
| 51 | 7628 | Dumont | 50 | D | 0 | $470K |
| 52 | 7647 | Northvale | 50 | D | 0 | $589K |
| 53 | 7652 | Paramus | 50 | D | 0 | $736K |
| 54 | 7657 | Ridgefield | 50 | D | 0 | $610K |
| 55 | 7661 | River Edge | 50 | D | 0 | $638K |
| 56 | 7666 | Teaneck | 50 | D | 0 | $496K |
| 57 | 7670 | Tenafly | 50 | D | 0 | $974K |
| 58 | 7070 | Rutherford | 45 | D | 0 | $581K |
| 59 | 7072 | Carlstadt | 45 | D | 0 | $524K |
| 60 | 7073 | East Rutherford | 45 | D | 0 | $454K |
| 61 | 7074 | Moonachie | 45 | D | 0 | $451K |
| 62 | 7094 | Secaucus | 45 | D | 0 | $558K |
| 63 | 7601 | Hackensack | 45 | D | 0 | $370K |
| 64 | 7631 | Englewood | 45 | D | 0 | $498K |
| 65 | 7642 | Hillsdale | 45 | D | 0 | $657K |
| 66 | 7646 | New Milford | 45 | D | 0 | $555K |
| 67 | 7660 | Ridgefield Park | 45 | D | 0 | $459K |
| 68 | 7662 | Rochelle Park | 45 | D | 0 | $470K |
| 69 | 7675 | Westwood | 45 | D | 0 | $681K |
| 70 | 7643 | Little Ferry | 40 | D | 0 | $389K |
| 71 | 7644 | Lodi | 40 | D | 0 | $449K |
Recommended Buyer Guides for Bergen County
While many sites publish identical guide lists across every county they cover, the selection here changes by location — driven by the EPA, NSF, FEMA, and CDC datasets that describe the actual conditions documented for this jurisdiction in the federal record.
- Best Lead Paint Test Kits — 79.9% of homes built before 1978
- Best Under-Sink Reverse Osmosis Systems — Multi-contaminant removal at the kitchen tap
- Best Sump Pumps — Flood is the top compound risk factor
- Best Mold Test Kits — Flood-driven moisture and mold risk
Deep Dive Reports
Detailed analysis for Bergen County, New Jersey
Overview
Bergen County in New Jersey covers 71 ZIP codes with an average Home Safety Score of D (54/100).
12 of 71 ZIP codes have recorded EPA violations. 5 health-based violations have been documented.
← Back to New Jersey water quality report
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Home values: U.S. Census Bureau ACS (median estimates by ZCTA)
Updated daily.
What You Can Do
Bergen 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
79.9% of homes in this county were built before 1978. Older plumbing and solder can leach lead into drinking water, especially in the morning.