Water Quality in Guys Mills, PA: 21 Violations — Grade C
Grade C · Score 63/100 · 3 water systems · Updated 2026-05-03
Guys Mills'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
According to EPA filings, Guys Mills, PA has 21 water compliance violations on record — sourced from SDWIS, the federal database that tracks reportable events for every registered public water system in the state.
Water Quality by ZIP Code in Guys Mills
Water quality varies across Guys Mills's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 16327 | C | 63 | 21 | 0 | View report → |
Water Quality Overview
Guys Mills, Pennsylvania 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 3 water systems serving Guys Mills have accumulated 21 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 236 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Guys Mills'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 Guys Mills 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, Guys Mills 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
Guys Mills is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Guys Mills
Guys Mills is served by 3 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 236 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 Guys Mills. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Guys Mills
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 Guys Mills Water Systems
The following contaminants have been detected or caused violations across Guys Mills's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Revised Total Coliform Rule | Microbiological | N/A | 4 | 1 | No |
| Surface Water Treatment Rule | Treatment Technique | N/A | 4 | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 2 | 1 | No |
| Combined Radium | Radionuclides | 5 pCi/L | 1 | 1 | No |
| Radium-228 | Radionuclides | 5 pCi/L | 1 | 1 | No |
| Lead and Copper Rule | Treatment Technique | N/A | 1 | 1 | No |
| Copper | Inorganic | 1.3 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 Guys Mills. Recent actions:
| Date | Action Type |
|---|---|
| 2025-11-12 | State Informal Enforcement |
| 2025-11-12 | State Filed Judgment |
| 2025-08-29 | State Informal Action |
| 2025-08-29 | State Order Extension |
| 2025-08-21 | State Order Extension |
| 2025-02-28 | State Informal Action |
| 2025-02-28 | State Order Extension |
| 2025-02-12 | State Informal Enforcement |
| 2025-02-12 | State Filed Judgment |
| 2025-01-03 | State Order Extension |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-11-12.
Guys Mills vs. Nearby Pennsylvania Cities
How Guys Mills's water quality compares to similar cities in Pennsylvania:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Guys Mills | C | 21 | 3 | 236 |
| Archbald | D | 0 | 1 | 234 |
| Derrick City | D | 0 | 1 | 234 |
| Duke Center | D | 0 | 1 | 234 |
Common Questions About Guys Mills Water
These are the most common questions residents search for about water quality in Guys Mills, Pennsylvania:
Is Guys Mills water hard or soft? Water hardness varies by source. Guys Mills's 3 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Guys Mills tap water? Guys Mills'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 Guys Mills? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Guys Mills vs. Pennsylvania Average
Understanding how Guys Mills 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 Guys Mills.
ZIP Codes in Guys Mills
Guys Mills spans 1 ZIP code. The ZIP with the lowest water quality score is 16327. 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.