Water Quality in Mongaup Valley, NY: 1 Violation — Grade C
Grade C · Score 66/100 · 1 water system · Updated 2026-05-03
Mongaup Valley'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
EPA monitoring has flagged 1 reportable event for water systems in Mongaup Valley, NY.
Water Quality by ZIP Code in Mongaup Valley
Water quality varies across Mongaup Valley's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 12762 | C | 66 | 1 | 0 | View report → |
Water Quality Overview
Mongaup Valley, 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).
The 1 water system serving Mongaup Valley have accumulated 1 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 177 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Mongaup Valley'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 Mongaup Valley water systems is 0.0050 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
With 84% of homes built before 1986, Mongaup Valley 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
Mongaup Valley 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 Mongaup Valley
Mongaup Valley is served by 1 community water system regulated under the Safe Drinking Water Act. These systems collectively serve approximately 177 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 2 enforcement actions against water systems serving Mongaup Valley. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Mongaup Valley
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
EPA Enforcement History
The EPA and state regulators have taken 2 enforcement actions against water systems serving Mongaup Valley. Recent actions:
| Date | Action Type |
|---|---|
| 2021-09-08 | State Order Extension |
| 2021-08-23 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2021-09-08.
Mongaup Valley vs. Nearby New York Cities
How Mongaup Valley's water quality compares to similar cities in New York:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Mongaup Valley | C | 1 | 1 | 177 |
| Kauneonga Lake | D | 0 | 1 | 177 |
| Swan Lake | D | 0 | 1 | 177 |
| Cuddebackville | C | 5 | 1 | 180 |
Common Questions About Mongaup Valley Water
These are the most common questions residents search for about water quality in Mongaup Valley, New York:
Is Mongaup Valley water hard or soft? Water hardness varies by source. Mongaup Valley's 1 water system uses a single source. Check your ZIP code report for specific hardness data.
Can I drink Mongaup Valley tap water? Mongaup Valley'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 Mongaup Valley? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Mongaup Valley vs. New York Average
Understanding how Mongaup Valley 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 Mongaup Valley.
ZIP Codes in Mongaup Valley
Mongaup Valley spans 1 ZIP code. The ZIP with the lowest water quality score is 12762. 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.