Water Quality in Castleton On Hudson, NY: 4 Violations — Grade C
Grade C · Score 63/100 · 1 water system · Updated 2026-05-03
Castleton On Hudson'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
Looking at EPA compliance data for Castleton On Hudson, NY, the record shows 4 violations — findings that span health-based exceedances, monitoring lapses, and enforcement events tied to local utilities in the SDWIS database.
Water Quality by ZIP Code in Castleton On Hudson
Water quality varies across Castleton On Hudson's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 12033 | C | 63 | 4 | 0 | View report → |
Water Quality Overview
Castleton On Hudson, New York receives a water quality grade of C with an overall score of 63 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 1 water system serving Castleton On Hudson have accumulated 4 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 210 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Castleton On Hudson'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
The average 90th percentile lead level across Castleton On Hudson water systems is 0.0019 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 71% of homes built before 1986, Castleton On Hudson 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.
Radon Risk
Castleton On Hudson is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Castleton On Hudson
Castleton On Hudson is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 210 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
The EPA has taken 10 enforcement actions against water systems serving Castleton On Hudson. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Castleton On Hudson
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
Contaminants Detected in Castleton On Hudson Water Systems
The following contaminants have been detected or caused violations across Castleton On Hudson's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead | Inorganic | 0.015 mg/L | 2 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 10 enforcement actions against water systems serving Castleton On Hudson. Recent actions:
| Date | Action Type |
|---|---|
| 2024-03-08 | State Filed Judgment |
| 2024-03-08 | State Informal Enforcement |
| 2024-03-08 | State Order Extension |
| 2024-01-05 | State Filed Judgment |
| 2024-01-05 | State Order Extension |
| 2023-01-17 | State Filed Judgment |
| 2023-01-17 | State Order Extension |
| 2022-12-20 | State Filed Judgment |
| 2022-12-20 | State Order Extension |
| 2022-12-08 | State Filed Judgment |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2024-03-08.
Castleton On Hudson vs. Nearby New York Cities
How Castleton On Hudson's water quality compares to similar cities in New York:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Castleton On Hudson | C | 4 | 1 | 210 |
| New Hartford | C | 1 | 1 | 210 |
| New York Mills | D | 0 | 1 | 210 |
| Washington Mills | D | 0 | 1 | 210 |
Common Questions About Castleton On Hudson Water
These are the most common questions residents search for about water quality in Castleton On Hudson, New York:
Is Castleton On Hudson water hard or soft? Water hardness varies by source. Castleton On Hudson's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Castleton On Hudson tap water? Castleton On Hudson's water receives a grade of C (63/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Castleton On Hudson? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Castleton On Hudson vs. New York Average
Understanding how Castleton On Hudson 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 Castleton On Hudson.
ZIP Codes in Castleton On Hudson
Castleton On Hudson spans 1 ZIP code. The ZIP with the lowest water quality score is 12033. 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.