Water Quality in Crompond, NY: No Violations — Grade C
Grade C · Score 66/100 · 1 water system · Updated 2026-05-03
Crompond's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
For households in Crompond, NY, the EPA compliance record offers a straightforward finding: 1 water system are on file, zero violations documented across the entire dataset, and no regulatory actions have been taken against any local utility under the federal Safe Drinking Water Act in any reporting period covered by available SDWIS data.
Water Quality by ZIP Code in Crompond
Water quality varies across Crompond's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 10517 | C | 66 | 0 | 0 | View report → |
Water Quality Overview
Crompond, New York receives a water quality grade of C with an overall score of 66 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
No EPA violations have been recorded for the 1 water system serving Crompond. This is a positive indicator, though it does not guarantee the absence of all contaminants — some substances (like PFAS) are not yet fully regulated.
What Grade C Means
A grade of C indicates moderate compliance issues. Crompond's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
Lead testing data for Crompond is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 86% of homes built before 1986, Crompond has a higher-than-average risk of lead from older plumbing. Lead solder was banned in 1986, and homes built before this date may have lead in pipes, solder joints, or fixtures.
Water Systems Serving Crompond
Crompond is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 28,369 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
How to Check Your Water in Crompond
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Crompond vs. Nearby New York Cities
How Crompond's water quality compares to similar cities in New York:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Crompond | C | 0 | 1 | 28,369 |
| Cortlandt Manor | A | 0 | 2 | 28,369 |
| Palmyra | B | 6 | 3 | 28,051 |
| Glen Cove | A | 0 | 1 | 28,000 |
Common Questions About Crompond Water
These are the most common questions residents search for about water quality in Crompond, New York:
Is Crompond water hard or soft? Water hardness varies by source. Crompond's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Crompond tap water? Crompond's water receives a grade of C (66/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Crompond? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Crompond vs. New York Average
Understanding how Crompond compares to the broader New York average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Crompond.
ZIP Codes in Crompond
Crompond spans 1 ZIP code. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
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
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.