Water Quality in Blowing Rock, NC: 2 Violations — Grade C
Grade C · Score 69/100 · 5 water systems · Updated 2026-05-03
Blowing Rock'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 Blowing Rock, NC, the record shows 2 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 Blowing Rock
Water quality varies across Blowing Rock's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 28605 | C | 56 | 2 | 0 | View report → |
Water Quality Overview
Blowing Rock, North Carolina receives a water quality grade of C with an overall score of 69 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 5 water systems serving Blowing Rock have accumulated 2 EPA violations (all monitoring/reporting type). These violations are tracked across 1 ZIP codes serving approximately 2,312 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Blowing Rock'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 Blowing Rock is currently being collected. The EPA requires all community water systems to test for lead under the Lead and Copper Rule.
With 48% of homes built before 1986, Blowing Rock 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
Blowing Rock is in EPA Radon Zone 2 (Moderate risk). Testing is recommended, especially for homes with basements or ground-level living spaces.
Water Systems Serving Blowing Rock
Blowing Rock is served by 5 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 2,312 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 Blowing Rock. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Blowing Rock
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 Blowing Rock Water Systems
The following contaminants have been detected or caused violations across Blowing Rock's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Chlorite | Disinfection Byproducts | 1 mg/L | 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 Blowing Rock. Recent actions:
| Date | Action Type |
|---|---|
| 2025-01-02 | State Order Extension |
| 2024-11-14 | State Filed Judgment |
| 2024-11-14 | State Filed Suit |
| 2024-05-20 | State Informal Action |
| 2024-05-06 | State Informal Action |
| 2024-02-01 | State Order Extension |
| 2023-12-05 | State Filed Judgment |
| 2023-12-05 | State Filed Suit |
| 2023-12-05 | State Informal Enforcement |
| 2023-09-07 | State Filed Suit |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-01-02.
Blowing Rock vs. Nearby North Carolina Cities
How Blowing Rock's water quality compares to similar cities in North Carolina:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Blowing Rock | C | 2 | 5 | 2,312 |
| Kenly | C | 8 | 1 | 2,301 |
| Lakeview | C | 0 | 1 | 2,287 |
| Lake Junaluska | B | 4 | 1 | 2,273 |
Common Questions About Blowing Rock Water
These are the most common questions residents search for about water quality in Blowing Rock, North Carolina:
Is Blowing Rock water hard or soft? Water hardness varies by source. Blowing Rock's 5 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Blowing Rock tap water? Blowing Rock's water receives a grade of C (69/100). No health-based violations have been recorded, but home testing is always recommended.
What is the best water filter for Blowing Rock? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Blowing Rock vs. North Carolina Average
Understanding how Blowing Rock compares to the broader North Carolina 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 Blowing Rock.
ZIP Codes in Blowing Rock
Blowing Rock spans 1 ZIP code. The ZIP with the lowest water quality score is 28605. 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.