Is Triadelphia, WV Tap Water Safe to Drink?
Graded B, with 20 unresolved violations on record. See what was cited — and what it means for your tap. What to do next ↓
75.6/100
waterverge.com Triadelphia, WV — Water Quality Report
Triadelphia's drinking water received a grade of B (75.6 out of 100), indicating good water quality. The city's 5 water systems serve approximately 5,170 residents using purchased surface water.
Lead levels were measured at 0.0 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 35 violations on record, including 4 health-based violations. 20 remain unresolved.
What to know about Triadelphia's water
Triadelphia ranks #75 out of 248 cities in West Virginia for water quality, placing it mid-range in the state.
The city draws from surface water sources, which are more susceptible to seasonal runoff and agricultural contamination, requiring extensive multi-barrier treatment including coagulation, filtration, and disinfection.
The system has seen 7 violations in the past five years, suggesting a pattern of compliance challenges that residents should monitor closely.
Water quality score
See methodology →Is Triadelphia, WV water safe to drink?
Triadelphia's drinking water has significant quality concerns based on EPA testing data. With a grade of B (75.6/100), the system has issues across multiple categories. A water filter is recommended for all residents. The city's 5 water systems serve approximately 5,170 residents using surface water (rivers, lakes, or reservoirs).
Recent water quality updates for Triadelphia
A timeline of significant water quality events, violations, and data updates.
Latest EPA compliance and testing data incorporated into Triadelphia's water quality assessment. Grade: B (75.6/100).
Contaminants: Consumer Confidence Rule.
Federal disaster declaration (FEMA DR-4884). Flood event — may have impacted local water infrastructure.
Federal disaster declaration (FEMA DR-4787). Flood event — may have impacted local water infrastructure.
Contaminants: Public Notice.
Contaminants: Total Haloacetic Acids (HAA5), TTHM.
Key contaminant findings
Based on the most recent EPA sampling data for Triadelphia's water supply.
Well within EPA limits.
Violation history
Triadelphia's water system has 35 total violations on record, including 4 health-based violations. 20 remain unresolved. 7 violations were issued in the last 5 years.
Flood & environmental risk
Ohio 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. Local water sources include Short Creek Near Dillonvale, Ohio R, Dunkard Fork, Wheeling Creek, Ohio River.
Where does Triadelphia's water come from?
Triadelphia's drinking water comes from surface water (rivers, lakes, or reservoirs), supplied by 5 water systems serving approximately 5,170 people. Surface water sources are more susceptible to contamination from runoff, industrial discharge, and algal blooms, requiring extensive treatment. Nearby water bodies include Short Creek Near Dillonvale (river), Ohio R (river), Dunkard Fork (lake), Wheeling Creek (river), Ohio River (river).
What Triadelphia residents can do
Recommended: NSF-certified water filter. This addresses the specific contaminants found in Triadelphia'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.
Triadelphia'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 Triadelphia
Industrial polluters nearby
Reported releases to surface water by facilities near Triadelphia, ranked by pounds discharged annually.
Total reported releases to surface water: 1 lbs
| Facility | Top chemical | To surface water (lbs/yr) | Distance |
|---|---|---|---|
TURF CARE SUPPLY LLC. MARTINS FERRY, OH43935 | 2,4-D | 1 | 8.2 mi |
AES INDUSTRIES INC WHEELING, WV26003 | Copper | 0 | 5.7 mi |
SAFETY-KLEEN SYSTEMS WHEELING (WHE) WHEELING, WV26003 | — | — | 5.9 mi |
SWISHER INTERNATIONAL INC WHEELING, WV26003 | — | — | 5.8 mi |
NAIL CITY BRONZE WHEELING, WV26003 | — | — | 5.6 mi |
Source: EPA Toxic Release Inventory (TRI) 2023
Flood & disaster history
Ohio 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. | 0.0 | 15 | ppb | Inorganic | Safe |
Lead level trend (90th percentile)
See how Triadelphia compares by contaminant
Explore where Triadelphia ranks among all West Virginia cities for specific contaminants.
Water source & infrastructure
Where Triadelphia's water comes from
Triadelphia's drinking water comes primarily from surface water sources such as rivers, lakes, or reservoirs.
Surface water systems require multi-stage treatment including coagulation, sedimentation, filtration, and disinfection to meet EPA Safe Drinking Water Act standards.
These sources can be impacted by seasonal changes, stormwater runoff, upstream agriculture, and industrial discharge.
The system is operated by local government ownership and serves approximately 5,170 people through 5 water systems.
Water bodies near Triadelphia
Triadelphia is located near 5 notable water bodies. As a surface water system, these water bodies may directly influence the city's drinking water supply.
Water systems serving Triadelphia
| System Name | PWSID | Population | Source |
|---|---|---|---|
| OHIO COUNTY PSD NO. 3 | WV3303520 | 2,657 | SWP |
| TRIADELPHIA WATER DEPT | WV3303512 | 1,215 | SWP |
| OHIO COUNTY PSD NO 2 | WV3303519 | 1,153 | SWP |
| OHIO COUNTY PSD NO 5 | WV3303522 | 90 | SWP |
| OHIO COUNTY PSD NO. 6 | WV3303523 | 55 | SWP |
How Triadelphia compares
Full West Virginia rankings →Triadelphia's score of 75.6/100 is above the average of 65/100 among major West Virginia cities. It outscores 6 of 10 nearby cities.
Nearby cities
View West Virginia rankings →About Triadelphia, WV
Wikipedia →Triadelphia is a town in Ohio County, West Virginia, United States. It is part of the Wheeling Metropolitan Area. The population was 669 at the 2020 census.
Learn more about your water
Guides and resources related to Triadelphia's water quality findings.
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Frequently asked questions
Is Triadelphia, WV tap water safe to drink?
Triadelphia's water quality earned a grade of B (75.6/100). Some concerns have been identified. Consider a water filter for an extra layer of protection. The city ranks #75 out of 248 cities tested in West Virginia.
What contaminants are in Triadelphia's water?
Lead was measured at 0.0 ppb (90th percentile). 35 violations are on record.
How is Triadelphia'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 Triadelphia?
Based on current data, basic filtration should suffice for additional peace of mind.
Where does Triadelphia's water come from?
Triadelphia's water is sourced from Purchased surface water. The city has 5 water systems serving approximately 5,170 residents.
What health violations has Triadelphia's water system had?
Triadelphia has 4 health-based violations on record. The most recent violation was recorded in October 2025. Health-based violations mean the water exceeded EPA maximum contaminant levels (MCLs) for a regulated substance. 20 violations remain unresolved.
How does Triadelphia's water compare to other cities?
Triadelphia ranks #75 out of 248 cities in West Virginia (better than 70% of state cities) and #9529 out of 15744 cities nationally (40th percentile). The grade of B reflects the combined assessment of violation history, lead and copper levels, PFAS contamination, and regulatory compliance.