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Public water system record

Western Virginia Water Authority

Serves an area of Roanoke city and Roanoke County, VA that includes Roanoke, Cave Spring, Hollins and 2 more places · 182,700 people served

Federal records show 3 health-based violations and no monitoring/reporting issues for Western Virginia Water Authority in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.

  • VA2770900
  • ROANOKE
  • VA
  • 182,700 served

System profile

Source water Surface water
ZIP 24019
EPA system ID VA2770900

Verify this system on EPA ECHO →

Health-based violations, last 10 years
3
Resolved
3
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
0

Key facts

  • Western Virginia Water Authority draws water from 14 wells, 3 surface water intakes and 2 springs (1 of them for emergency, seasonal or other part-time use).
  • Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 91 µg/L, federal limit 80 µg/L (1.1 times the limit), 2019.
  • Lead pipe inventory: 0 lead and 0 unknown out of 67,709 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
 220 Jan 1, 2020 Resolved No
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 91 µg/L, federal limit 80 µg/L (1.1 times the limit)
 220 Jul 1, 2019 Resolved No
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 62 µg/L, federal limit 60 µg/L (at or just above the limit)
 220 Jul 1, 2017 Resolved No

What the violations mean

Total Trihalomethanes (TTHMs)

2 incidents

Disinfection byproduct levels exceeded the federal limit

Long-term TTHM exposure may increase bladder cancer risk

Haloacetic Acids (HAA5)

1 incident

Haloacetic acid byproducts exceeded the federal limit

Long-term exposure to HAAs may increase cancer risk

Where the water comes from

Western Virginia Water Authority draws water from 14 wells, 3 surface water intakes and 2 springs (1 of them for emergency, seasonal or other part-time use). It also buys water from City of Salem. 3 other community water systems and 1 smaller public system such as schools, businesses or campgrounds buy water from Western Virginia Water Authority.

Buys water from

Community systems that buy water from it

Annual water quality report

Western Virginia Water Authority must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Virginia.

Certified drinking water labs by state EPA guidance for private wells