Updated 2026-09-16

County water report

Roanoke city Water Quality

Name: Roanoke city Water Quality Data (2026)
Creator: PurityMap
License: https://creativecommons.org/licenses/by/4.0/

Roanoke city, Virginia: one city report built from EPA and utility records. A county has many suppliers; each city shows the system that serves it.

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Across the county's systems

Highest result for each contaminant

One row per contaminant: the highest result any system in the county reported, against its limit. Open a row for the systems behind it.

LithiumWESTERN VIRGINIA WATER AUTHORITY10 µg/L EPA health reference level (screening, not a legal limit) · US EPA22.8 µg/L

WESTERN VIRGINIA WATER AUTHORITY22.8 µg/LSample date: 2023-09-11 to 2024-06-11

Perfluorooctanoic acid (PFOA)WESTERN VIRGINIA WATER AUTHORITY4.0 ng/L federal MCL (2024) · US EPA8.9 ng/L

WESTERN VIRGINIA WATER AUTHORITY8.9 ng/LSample date: 2023-09-11 to 2024-06-11

Perfluorooctanesulfonic acid (PFOS)WESTERN VIRGINIA WATER AUTHORITY4.0 ng/L federal MCL (2024) · US EPA6.3 ng/L

WESTERN VIRGINIA WATER AUTHORITY6.3 ng/LSample date: 2023-09-11 to 2024-06-11

Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals)WESTERN VIRGINIA WATER AUTHORITY10 ng/L federal MCL (2024) · US EPA6 ng/L

WESTERN VIRGINIA WATER AUTHORITY6 ng/LSample date: 2023-09-11 to 2024-06-11

Perfluorohexanoic acid (PFHxA)WESTERN VIRGINIA WATER AUTHORITY400,000 ng/L Michigan EGLE state MCL (strictest US state) · Michigan EGLE4.3 ng/L

WESTERN VIRGINIA WATER AUTHORITY4.3 ng/LSample date: 2023-09-11 to 2024-06-11

Perfluoropentanoic acid (PFPeA)WESTERN VIRGINIA WATER AUTHORITYNo federal or state limit; shown for transparency6.2 ng/L

WESTERN VIRGINIA WATER AUTHORITY6.2 ng/LSample date: 2023-09-11 to 2024-06-11

25 substances tested, none detected in this systemShow

Tested in this system: WESTERN VIRGINIA WATER AUTHORITY

11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)
1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS)
1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS)
1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS)
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)
9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)
Lead (90th percentile)
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)
Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA)
Perfluoro-3-methoxypropanoic acid (PFMPA)
Perfluoro-4-methoxybutanoic acid (PFMBA)
Perfluorobutanesulfonic acid (PFBS)
Perfluorobutanoic acid (PFBA)
Perfluorodecanoic acid (PFDA)
Perfluorododecanoic acid (PFDoA)
Perfluoroheptanesulfonic acid (PFHpS)
Perfluoroheptanoic acid (PFHpA)
Perfluorohexanesulfonic acid (PFHxS)
Perfluorononanoic acid (PFNA)
Perfluoropentanesulfonic acid (PFPeS)
Perfluorotetradecanoic acid (PFTA)
Perfluorotridecanoic acid (PFTrDA)
Perfluoroundecanoic acid (PFUnA)

1 city

Cities ranked by the records

1
RoanokeWESTERN VIRGINIA WATER AUTHORITY
PFAS above limit
Open city report →

Showing 1 of 1 cities · scores are system-level, not tap tests

Ranked by the Purity Score of each city's main water system, highest first. Scores belong to water systems; there is no county score. The score is computed only from contaminants measured in the published EPA record, so this ranks the record, not which city's water is safest. How the score works.

PFAS in Roanoke city1 of 1 city reports a regulated PFAS above the federal limit

Roanoke6.3 ng/L

4.0 ng/L federal MCL · PFOS, ng/LPFAS in Virginia

Lead

0of 1 city above the 15 µg/L action level

Based on each system's 90th-percentile result. Lead from household plumbing isn't in this record.

Lead in Virginia

Who supplies the county

Largest water systems

RoanokeWESTERN VIRGINIA WATER AUTHORITY · VA2770900
182,700 served

Questions

Frequently asked

How does Roanoke city tap water compare across cities?

PurityMap ranks 1 city in Roanoke city by the Purity Score of each city's main water system, computed only from contaminants measured in the published EPA record. Scores belong to water systems, not to cities. The highest published score is Roanoke's main water system: WESTERN VIRGINIA WATER AUTHORITY · PWSID VA2770900 · Purity Score 54 (Poor) · Confidence: moderate · Assessed at the water-system level. The ranking compares the records, not which city's water is safest, and your own tap can differ with household plumbing.

How many Roanoke city cities have PFAS above the federal limit?

1 city of 1 had at least one regulated PFAS (PFOA, PFOS or PFHxS) measured above the 2024 federal limit in EPA's UCMR 5 testing, including Roanoke (PFOA 8.9 ng/L). PFAS were detected at any level in 1.

Is there lead in Roanoke city tap water?

Utilities report lead as a 90th-percentile result from home taps. 0 of 1 Roanoke city cities reported a value above zero, and none was above the 15 µg/L federal action level. Lead usually comes from a building's own pipes and fixtures, so only a test at your tap tells you what you drink.

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