Water Quality in Grove City, PA: 13 Violations — Grade C
Grade C · Score 67/100 · 4 water systems · Updated 2026-05-03
Grove City'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
The compliance record maintained by the EPA for Grove City, PA documents 13 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 Grove City
Water quality varies across Grove City's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 16127 | C | 67 | 13 | 0 | View report → |
Water Quality Overview
Grove City, Pennsylvania receives a water quality grade of C with an overall score of 67 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 4 water systems serving Grove City have accumulated 13 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 12,691 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Grove City'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 Grove City is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 70% of homes built before 1986, Grove City 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
Grove City is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Grove City
Grove City is served by 4 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 12,691 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 Grove City. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Grove City
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 Grove City Water Systems
The following contaminants have been detected or caused violations across Grove City's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | N/A | 2 | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 0.06 mg/L | 1 | 1 | No |
| Lead and Copper Rule | Treatment Technique | N/A | 1 | 1 | No |
| Stage 1 DBP Rule | Treatment Technique | N/A | 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 Grove City. Recent actions:
| Date | Action Type |
|---|---|
| 2025-11-24 | State Order Extension |
| 2025-11-24 | State Informal Action |
| 2025-11-13 | State Order Extension |
| 2025-11-12 | State Filed Judgment |
| 2025-03-14 | State Filed Judgment |
| 2025-03-14 | State Informal Enforcement |
| 2024-02-26 | State Informal Action |
| 2024-02-26 | State Order Extension |
| 2024-02-06 | State Informal Action |
| 2024-02-06 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-11-24.
Grove City vs. Nearby Pennsylvania Cities
How Grove City's water quality compares to similar cities in Pennsylvania:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Grove City | C | 13 | 4 | 12,691 |
| Downingtown | D | 7 | 2 | 12,568 |
| Franklin | C | 5 | 5 | 12,523 |
| Harleysville | D | 0 | 2 | 12,900 |
Common Questions About Grove City Water
These are the most common questions residents search for about water quality in Grove City, Pennsylvania:
Is Grove City water hard or soft? Water hardness varies by source. Grove City's 4 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Grove City tap water? Grove City's water receives a grade of C (67/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Grove City? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Grove City vs. Pennsylvania Average
Understanding how Grove City 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 Grove City.
ZIP Codes in Grove City
Grove City spans 1 ZIP code. The ZIP with the lowest water quality score is 16127. 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.