Carlstadt, NJ Water Safety: 45/100 (2026)
1 ZIP code · 2 water systems · Updated 2026-06-03
Public water data for Carlstadt, NJ shows a low safety grade — health-based violations appear across a meaningful share of service areas in current EPA records.
How Carlstadt Compares
Data: EPA SDWIS Last verified: 2026-06-03
Carlstadt Water: The Quick Version
- Homes built before 1986: 86% — older plumbing may contain lead solder.
- Estimated remediation: $3,500 per household.
- CDC health risk index: 10.21.
Water Systems Serving Carlstadt
Water supply in Carlstadt, NJ follows a divided structure: 2 utilities account for the largest share of residential service out of 2 total systems, each managing its own distribution network and EPA reporting. Because these systems operate independently, rate decisions and compliance outcomes are determined separately.
Overview
We track water quality and home safety data for 1 ZIP code in Carlstadt, New Jersey (population ~6,343), covering 2 community water systems serving approximately 804,296 people region-wide.
No EPA violations recorded across any ZIP codes in Carlstadt — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Carlstadt: 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
Carlstadt water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Carlstadt
- 0 ZIP codes 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.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 07072 | D | VEOLIA WATER NEW JERSEY HACKENSACK | 792,713 |
All ZIP Codes in Carlstadt
- 07072 [D]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
CDC Health Data for Carlstadt
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
How Old Is Carlstadt's Housing Stock?
With 86% 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
Federal plumbing rules changed in two stages — lead pipes were phased out before 1970, and lead solder was banned in 1986 — but in Carlstadt, where the median build year is 1954, most of the housing was already in place before those rules took effect. The materials installed under older standards remain embedded in a substantial portion of the residential inventory today.
Over half of homes in Carlstadt 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.
Carlstadt: Remediation Cost in Perspective
Within the Carlstadt market, estimated remediation claims a small portion of typical property equity — the financial burden is proportionally low.
Remediation costs in Carlstadt are relatively low compared to home values. The $2,200–$5,600 estimated range is a small fraction of median property value. Home values are 8% above the New Jersey average.
Protecting Children from Lead in Carlstadt
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.
Reading the local data together points toward a structural gap that matters more here than in low-exposure communities. 86% of Carlstadt stock comes from the pre-rule era, and citywide monitoring either approaches or sits beyond the federal benchmark under Lead and Copper Rule sampling. A baseline kit fits the routine-diligence category, with certified filtration available via retailer networks where confirmed faucet results warrant additional measures.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Carlstadt
A moderate NFIP record for Carlstadt — 227 insurance claims paired with 100% of ZIP codes in FEMA flood zones — points to a flood history where water-quality pathways have likely been periodically relevant.
Carlstadt has a moderate flood history with 227 FEMA claims averaging $122,933 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>$3,500</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 Carlstadt
- 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.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 86% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Carlstadt, NJ