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Official EPA SDWIS Verified ReportWater Quality & Testing GuideHistorical Record: No Recorded SDWIS Violations

ZIP Code 26690 Water Quality & Testing Report

Swiss, WV · Nicholas County County · Updated for 2026

Public Health & Medical Notice: Drinking water quality data on this page reflects historical compliance records submitted under the Safe Drinking Water Act. This information does not constitute medical advice or a real-time safety guarantee. If you are pregnant, nursing, preparing infant formula, or immunocompromised, consult a healthcare provider. Boiling water kills biological pathogens, but does NOT remove chemical contaminants like lead, arsenic, or PFAS.
Quick EPA Verified Answer

Is Tap Water Safe to Drink in ZIP 26690 (Swiss, WV)?

Yes, tap water in ZIP code 26690 (Swiss, WV) is safe to drink under EPA Safe Drinking Water Act standards. Supplied by Gauley River Public Service District, the area earns an EPA Safety Grade of B (71/100) with 3 health violations, 0.6 ppb lead, and soft (53 mg/L / 3.1 GPG) water.

Safety Score
B

Water Safety Grade

Good — Minor issues on record

Health Violations

3

Total Violations

14

Lead Risk

High

Contaminants

2

⚠

Active Water Quality Issues Detected

EPA records show 10 unresolved violations. Contact Gauley River Public Service District for current status.

About Tap Water in ZIP Code 26690

Tap water in ZIP code 26690 (Swiss, WV) is distributed by Gauley River Public Service District (EPA ID: WV3301042), serving approximately 3,944 residents. Based on EPA Safe Drinking Water Act compliance records, this system receives a water safety grade of B with a composite quality score of 71/100.

Water System

Gauley River Public Service District

EPA ID: WV3301042

Water Source

Surface Water

Population Served

3,944 residents

County

Nicholas County County, West Virginia

🧪

Lead Levels in ZIP 26690

EPA action level: 15 ppb | Public health goal: 0 ppb

Lead Level: 0.6 ppb — Very Low

The 90th percentile lead level in 26690 is 0.6 ppb. This meets the EPA action level of 15 ppb. Health experts recommend a target of 0 ppb for optimal safety.

Lead exposure risk in 26690 is rated High. EPA models estimate a 61% exposure probability based on housing and infrastructure age.

Lead Level (90th percentile)
0.60 ppb (0.0006 mg/L)
Lead Exposure Risk Rating
High
Lead Exposure Probability

EPA model estimate based on housing age and infrastructure

61%
Note: Lead levels above are the 90th percentile from EPA monitoring — meaning 90% of samples were at or below this level. Even "undetected" tap water lead doesn't account for lead leaching from home plumbing. If your home was built before 1986, individual tap testing is recommended.
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Water Hardness & Mineral Content

Grains per gallon (GPG) & Parts per million (PPM / mg/L)

Classification: Soft3.1 GPG · 53 mg/L

Water in ZIP 26690 is classified as Soft (53 mg/L / 3.1 GPG). Soft water produces abundant soap lather, prevents scale buildup in water heaters, and does not leave spots on dishes.

Recommendation: No water softener is needed. Standard carbon filtration is sufficient for taste and chlorine reduction.
Hardness (GPG)

Grains per gallon

3.1 GPG
Hardness (PPM / mg/L)

Parts per million CaCO3

53 mg/L
Appliance Scaling Risk
Very Low

Official EPA SDWIS Database Entry

Utility: Gauley River Public Service District · PWSID: WV3301042

Verify on EPA.gov
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Violation History

Past 5 years — EPA SDWIS data

Gauley River Public Service District has recorded 3 health-based violations out of 14 total violations over the past 5 years. 10 violations remain unresolved in EPA tracking records.

Total Violations (5 yr)
14
Health-Based Violations
3
Unresolved Violations
10
Boil Water Advisories
0
Compliance Risk
Critical

Regulatory compliance risk for this utility is rated Critical based on past reporting and enforcement records.

⚗️

Contaminants Detected

Contaminants with health-based violations on record

EPA records identify 2 contaminants with health-based violations in the past 5 years: Contaminant 0800, Consumer Confidence Report Rule.

Contaminant 0800Consumer Confidence Report Rule

⚖ Enforcement Actions

EPA or state regulators have issued 10 enforcement actions to address compliance lapses.
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Water Source & Environmental Factors

Surface Water

This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.

Water Source Type
Surface Water
EPA Radon Zone

Moderate potential

Zone 2
Annual Flood Risk Cost

Estimated annual flood-related costs per property

$1

EPA Radon Zone 2 — moderate radon potential. The EPA recommends testing your home regardless of zone designation.

Water Quality Testing in ZIP 26690

Tap Water & Well Testing Recommendations

Residents in ZIP code 26690 served by Gauley River Public Service District can test tap water or private well systems to verify water purity. Testing detects hidden contaminants before they impact family health.

Tap Water Testing Steps

  • 1.Conduct a certified lead check if your home was constructed before 1986.
  • 2.Use certified lab testing kits rather than uncalibrated test strips for regulated compliance.
  • 3.Sample water from both your kitchen faucet and water heater to compare line purity.

Private Well Testing Steps

  • •Test for Coliform bacteria and Nitrates annually.
  • •Test for heavy metals, radon, and PFAS every 3 years.
  • •Send samples to a state-certified drinking water laboratory recognized by West Virginia Department of Health and Human Resources.
Certified Lab Testing: Always use an EPA-certified drinking water laboratory in WV for formal legal or real estate compliance testing.

🛡 What Should You Do? — ZIP 26690 Recommendations

  • ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
  • ✓ Request your annual Consumer Confidence Report from Gauley River Public Service District
  • ✓ If your home was built before 1986, consider testing your own tap for lead
  • ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste

Recommended Taste & Safety Filter:

🚰

NSF/ANSI 53 Certified Pitcher Filter

Best for removing aesthetic chlorine, odors, and low-level heavy metals.

Filter Selection Guide →

Frequently Asked Questions — ZIP 26690 Water Quality

Is tap water safe to drink in ZIP code 26690?+
Yes — tap water in 26690 (Swiss, WV) meets EPA standards with a water safety grade of B. No health-based violations are on record in the past 5 years.
How do I get my water tested in ZIP 26690 (Swiss, WV)?+
To test water quality in ZIP 26690, you can order a certified drinking water test kit or send water samples to an EPA/NELAP certified laboratory in WV. Certified testing checks for lead, coliform bacteria, nitrates, hardness, and PFAS that standard test strips miss. Contact West Virginia Department of Health and Human Resources for a list of certified regional labs.
How hard is the tap water in 26690?+
Tap water in 26690 is classified as Soft with an estimated mineral hardness of 53 mg/L (3.1 GPG). No water softener is needed. Standard carbon filtration is sufficient for taste and chlorine reduction.
Should I test private well water in 26690?+
Yes. Unlike municipal systems, private wells in 26690 are not regulated by the EPA or local utilities. Private well owners should test their water annually for coliform bacteria and nitrates, and every 3 to 5 years for heavy metals (lead, arsenic) and volatile organic compounds.
What is the lead level in 26690 tap water?+
The 90th percentile lead level in 26690 is 0.6 ppb. The EPA action level is 15 ppb. This is below the EPA action level.
Is there an active boil water notice in 26690?+
There are currently no active boil water advisories on record for 26690. Water treatment systems are operating within normal parameters.
Who provides tap water to 26690?+
Tap water in ZIP code 26690 is provided by Gauley River Public Service District (EPA ID: WV3301042), serving approximately 3,944 residents.
What water filter should I use in 26690?+
Based on water metrics for 26690, we recommend Reverse Osmosis (PFAS & Lead). Look for certifications such as NSF/ANSI 58 (Reverse Osmosis), NSF/ANSI 53 (Lead & VOCs), NSF/ANSI P473 (PFAS/PFOS).

Data Sources & Methodology

Water quality data for ZIP code 26690 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Gauley River Public Service District. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →