Is Claysburg, PA Tap Water Safe to Drink?
Graded D+, with 3 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
53.1/100
waterverge.com Claysburg, PA — Water Quality Report
Claysburg's drinking water received a grade of D+ (53.1 out of 100), indicating poor water quality. The city's 2 water systems serve approximately 2,800 residents using groundwater.
Lead levels were measured at 3.4 ppb (90th percentile), well within EPA limits. This system has not yet been tested for PFAS under the EPA UCMR 5 program.
The system has 117 violations on record, including 2 health-based violations. 3 remain unresolved.
What to know about Claysburg's water
Claysburg ranks #303 out of 560 cities in Pennsylvania for water quality, placing it below average in the state.
Claysburg relies on groundwater, which is generally less vulnerable to surface contamination but can be affected by naturally occurring minerals like arsenic and nitrate, as well as agricultural and industrial runoff.
As a small community water system, Claysburg may have fewer resources for advanced treatment technologies and infrastructure upgrades compared to larger utilities.
The system has seen 52 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Claysburg, PA water safe to drink?
Claysburg's drinking water has significant quality concerns based on EPA testing data. With a grade of D+ (53.1/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 2 water systems serve approximately 2,800 residents using groundwater (wells).
Recent water quality updates for Claysburg
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Claysburg's water quality assessment. Grade: D+ (53.1/100).
Contaminants: Endrin, BHC-GAMMA, Methoxychlor.
Contaminants: Revised Total Coliform Rule.
Contaminants: Groundwater Rule.
Federal disaster declaration (FEMA DR-3356). Hurricane event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-3340). Flood event — may have impacted local water infrastructure.
Key contaminant findings
Based on the most recent EPA sampling data for Claysburg's water supply.
Well within EPA limits.
Violation history
Claysburg's water system has 117 total violations on record, including 2 health-based violations. 3 remain unresolved. 52 violations were issued in the last 5 years.
Flood & environmental risk
Blair County has experienced 9 federally declared disasters since 1972. Flooding and severe storms can overwhelm water treatment plants, cause sewage overflows, and introduce agricultural runoff, bacteria, and sediment into drinking water supplies.
Where does Claysburg's water come from?
Claysburg's drinking water comes from groundwater (wells), supplied by 2 water systems serving approximately 2,800 people. Groundwater is generally less susceptible to surface contamination but can contain naturally occurring contaminants like arsenic, radon, and nitrate.
What Claysburg residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Claysburg's water.
Your water utility is required to publish an annual Consumer Confidence Report (CCR) with detailed testing results. Ask for the latest copy or check your utility's website.
Run cold water for 30 seconds before drinking, especially in the morning. Lead and copper leach from household plumbing when water sits in pipes.
Claysburg's area has a history of flooding. After severe weather, watch for boil water advisories from your local utility.
Data: EPA SDWIS, UCMR 5 (PFAS), FEMA, NOAA. Last updated May 2026.
Top contaminants to know
View all ↓Violation summary
Violations & advisories
Top industrial polluters within 10 miles of Claysburg
Industrial polluters nearby
Reported releases to surface water by facilities near Claysburg, ranked by pounds discharged annually.
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
CHAMPION HOMES BUILDERS INC. ALTANTIC HOMES DIV CLAYSBURG, PA16625 | — | — | 0.6 mi |
CARGILL FEED & NUTRITION MARTINSBURG MARTINSBURG, PA16662 | — | — | 5.8 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Drought conditions
D2 — severe droughtBedford County is currently in D2 (severe drought) per the U.S. Drought Monitor (week of May 5, 2026). Drought can elevate disinfection-byproduct (TTHM/HAA5) levels and taste/odor issues as utilities draw from lower reservoirs.
Source: U.S. Drought Monitor, updated weekly by NDMC, USDA, and NOAA.
Flood & disaster history
Blair County has experienced 9 federally declared disasters since 1972. Flooding and severe weather can compromise water treatment infrastructure and introduce contaminants into drinking water supplies.
Full contaminants report
| Contaminant | Detected Level | EPA Limit | Unit | Category | Status |
|---|---|---|---|---|---|
| Lead (90th percentile) LeadHeavy Metal A toxic heavy metal that can leach into drinking water from older pipes, solder, and fixtures. No amount of lead in water is considered safe. Health EffectsBrain and nervous system damage in children, kidney damage, high blood pressure, and reproductive problems in adults. EPA Limit15 ppb action level Common SourcesCorrosion of lead pipes, lead solder, brass faucets, and household plumbing. | 3.4 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Claysburg compares by contaminant
Explore where Claysburg ranks among all Pennsylvania cities for specific contaminants.
Water source & infrastructure
Where Claysburg's water comes from
Claysburg's drinking water is drawn from underground aquifers through wells.
Groundwater is naturally filtered through rock and soil layers, generally requiring less treatment than surface water. However, it can contain naturally occurring contaminants like arsenic, radon, and minerals.
Agricultural activity, septic systems, and industrial operations near well fields can introduce nitrates, pesticides, and volatile organic compounds.
The system is operated by local government ownership and serves approximately 2,800 people through 2 water systems.
Water systems serving Claysburg
| System Name | PWSID | Population | Source |
|---|---|---|---|
| GREENFIELD TWP MUNI AUTH | PA4070058 | 2,500 | GW |
| BLUE KNOB WATER CO | PA4050001 | 300 | GW |
How Claysburg compares
Full Pennsylvania rankings →Claysburg's score of 53.1/100 is on par with the average of 49/100 among major Pennsylvania cities. It outscores 8 of 10 nearby cities.
Nearby cities
View Pennsylvania rankings →About Claysburg, PA
Wikipedia →Claysburg is a census-designated place (CDP) along Interstate 99 and the Allegheny Front in Blair County, Pennsylvania, United States, situated near the base of Blue Knob. As of the 2020 census, it had a population of 1,291.
Learn more about your water
Guides and resources related to Claysburg's water quality findings.
Explore water quality across Blair
Frequently asked questions
Is Claysburg, PA tap water safe to drink?
Claysburg's water quality earned a grade of D+ (53.1/100). Significant issues have been found. A water filter is strongly recommended. The city ranks #303 out of 560 cities tested in Pennsylvania.
What contaminants are in Claysburg's water?
Lead was measured at 3.4 ppb (90th percentile). 117 violations are on record.
How is Claysburg's water quality grade calculated?
The grade is based on four factors: violation history (40%), lead and copper levels (25%), PFAS contamination (25%), and regulatory compliance (10%). The score is also adjusted based on how complete the available data is. See our methodology page for full details.
Do I need a water filter in Claysburg?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Claysburg's water come from?
Claysburg's water is sourced from Groundwater. The city has 2 water systems serving approximately 2,800 residents.
What health violations has Claysburg's water system had?
Claysburg has 2 health-based violations on record. The most recent violation was recorded in April 2024. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 3 violations remain unresolved.
Is Claysburg's groundwater at risk of contamination?
Claysburg uses groundwater, which can be affected by naturally occurring contaminants like arsenic, radon, and nitrate, as well as agricultural runoff and industrial activity. The system has 117 violations on record that may relate to groundwater quality. Groundwater systems are generally less susceptible to surface contamination but should be monitored for emerging contaminants like PFAS.
How does Claysburg's water compare to other cities?
Claysburg ranks #303 out of 560 cities in Pennsylvania (better than 46% of state cities) and #12712 out of 15744 cities nationally (19th percentile). The grade of D+ reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.