Hicksville, NY Water Safety: 98/100 (2026)
6 ZIP codes · 4 water systems · Updated 2026-06-03
How does Hicksville tap water hold up under EPA scrutiny? Above average for NY — documented violations are uncommon and the safety grade reflects a clean overall record.
How Hicksville Compares
Data: EPA SDWIS Last verified: 2026-06-03
Water Quality Map: Hicksville, NY
Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.
Score Distribution
Distribution of water safety grades across Hicksville.
Hicksville Water: The Quick Version
- Average lead level: 0.001 mg/L.
- Estimated remediation: $1,700 per household.
- CDC health risk index: 10.69.
Water Systems Serving Hicksville
Hicksville, NY is covered by 3 major water utilities out of 4 federally tracked systems, each managing its own pipes, treatment processes, and EPA filings. What a household gets from the tap depends on which provider's system serves that address.
Overview
We track water quality and home safety data for 6 ZIP codes in Hicksville, New York (population ~41,792), covering 4 community water systems serving approximately 159,500 people region-wide.
No EPA violations recorded across any ZIP codes in Hicksville — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Hicksville: A (98/100)
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
Hicksville water systems draw from: Groundwater.
Lead & Copper
- Average lead level (90th percentile): 0.0010 mg/L (EPA action level: 0.015 mg/L)
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 3 (Low Risk)
- Zone 1 (High): 0 ZIP codes
- Zone 2 (Moderate): 0 ZIP codes
- Zone 3 (Low): 6 ZIP codes
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 11801 | A | Hicksville Water District | 48,000 |
| 11802 | A | Hicksville Water District | 48,000 |
| 11815 | A | Hicksville Water District | 48,000 |
| 11819 | A | Hicksville Water District | 48,000 |
| 11854 | A | Hicksville Water District | 48,000 |
| 11855 | A | Hicksville Water District | 48,000 |
All ZIP Codes in Hicksville
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 Hicksville
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
Hicksville: Remediation Cost in Perspective
The household financial picture for Hicksville 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.
Remediation costs in Hicksville are relatively low compared to home values. The $1,100–$2,600 estimated range is a small fraction of median property value. Home values are 69% above the New York average.
Protecting Children from Lead in Hicksville
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.
Lead risk in Hicksville appears low overall, but individual homes may differ. Testing is the only way to confirm your water's lead content.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Climate-Related Water Risk for Hicksville
Measured across the NFIP's multi-decade tracking period, Hicksville shows a moderate flood record — 27 claims and 17% of ZIP codes carrying FEMA flood zone status. For water quality, that combination matters because flood events at this frequency can periodically stress infrastructure: treatment plants, private wells, and distribution systems all face elevated risk during significant flooding.
Hicksville has a moderate flood history with 27 FEMA claims averaging $1,888 per payout. 17% 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>$1,700</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.
Deep Dive Reports
Detailed analysis for Hicksville, NY