Water Quality in Mount Gretna, PA: 8 Violations — Grade F
Grade F · Score 29/100 · 4 water systems · Updated 2026-05-03
Mount Gretna's water has serious compliance issues. Independent testing and filtration are strongly recommended.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
The compliance record maintained by the EPA for Mount Gretna, PA documents 8 water violations — each tied to a specific public water system and assigned a violation category in the federal Safe Drinking Water dataset.
Water Quality by ZIP Code in Mount Gretna
Water quality varies across Mount Gretna's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 17064 | F | 29 | 8 | 0 | View report → |
Water Quality Overview
Mount Gretna, Pennsylvania receives a water quality grade of F with an overall score of 29 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Mount Gretna have accumulated 8 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 1,035 people.
What Grade F Means
A grade of F indicates serious compliance issues. Mount Gretna's water systems have substantial violations. Residents should strongly consider independent water testing and appropriate filtration.
Lead Levels
The average 90th percentile lead level across Mount Gretna water systems is 0.1995 mg/L — this exceeds the EPA action level of 0.015 mg/L. 1 ZIP code exceed the EPA lead action level.
With 89% of homes built before 1986, Mount Gretna 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
Mount Gretna 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 Mount Gretna
Mount Gretna is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,035 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 Mount Gretna. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Mount Gretna
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 Mount Gretna Water Systems
The following contaminants have been detected or caused violations across Mount Gretna's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Lead and Copper Rule | Treatment Technique | N/A | 1 | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 1 | 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 Mount Gretna. Recent actions:
| Date | Action Type |
|---|---|
| 2025-06-24 | State Informal Action |
| 2025-06-24 | State Order Extension |
| 2025-05-14 | State Order Extension |
| 2024-11-12 | State Filed Judgment |
| 2024-11-12 | State Informal Enforcement |
| 2024-05-13 | State Informal Action |
| 2024-04-10 | State Order Extension |
| 2024-04-08 | State Informal Action |
| 2024-01-03 | State Order Extension |
| 2023-09-19 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-06-24.
Mount Gretna vs. Nearby Pennsylvania Cities
How Mount Gretna's water quality compares to similar cities in Pennsylvania:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Mount Gretna | F | 8 | 4 | 1,035 |
| Conneaut Lake | D | 24 | 4 | 1,035 |
| Trumbauersville | D | 34 | 2 | 1,034 |
| Bendersville | D | 13 | 1 | 1,039 |
Common Questions About Mount Gretna Water
These are the most common questions residents search for about water quality in Mount Gretna, Pennsylvania:
Is Mount Gretna water hard or soft? Water hardness varies by source. Mount Gretna's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Mount Gretna tap water? Mount Gretna's water receives a grade of F (29/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Mount Gretna? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Mount Gretna vs. Pennsylvania Average
Understanding how Mount Gretna compares to the broader Pennsylvania 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 Mount Gretna.
ZIP Codes in Mount Gretna
Mount Gretna spans 1 ZIP code. The ZIP with the lowest water quality score is 17064. 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.