Bromate in Drinking Water
Reference information plus historical EPA compliance records associated with bromate.
EPA Limit (MCL)
10 ppb
EPA Goal (MCLG)
0 ppb
Category
Disinfection Byproducts
Regulatory values are a concise reference, not legal or medical advice. Confirm the current standard and rule-specific details on EPA.gov.
Health Effects
Increased cancer risk
Common Sources
Byproduct of ozone disinfection
Treatment Considerations for Bromate
Commonly cited treatment approaches include: Activated carbon. Choose treatment only after a certified water test identifies the substance and concentration; verify NSF/ANSI certification and consult a qualified local professional when needed.
358
Historical Violation Records
128
Systems With Records
Historical Bromate Records by State
| State | Records | Systems |
|---|---|---|
| Oklahoma | 62 | 15 |
| Illinois | 56 | 21 |
| Pennsylvania | 56 | 9 |
| Colorado | 32 | 11 |
| Texas | 27 | 12 |
| Louisiana | 26 | 10 |
| Missouri | 19 | 9 |
| South Carolina | 14 | 5 |
| North Carolina | 14 | 5 |
| Rhode Island | 8 | 3 |
| Arkansas | 8 | 5 |
| Iowa | 7 | 4 |
| Connecticut | 6 | 3 |
| Arizona | 6 | 4 |
| Ohio | 5 | 2 |
| Alabama | 4 | 3 |
| Minnesota | 2 | 2 |
| Kentucky | 2 | 2 |
| Florida | 2 | 1 |
| California | 1 | 1 |
Systems With the Most Bromate Violation Records
FREDERICK LIVING
PERRY WATER & LIGHT DEPT
MOUNT CARMEL
BELLE VERNON BORO MUNI AUTH
FAIRFIELD
PARISH UTILITIES OF ASCENSION
COLORADO CITY MD
SNYDER PUBLIC WORKS AUTHORITY
PAGOSA AREA WSD
BLACKWELL MUNICIPAL AUTHORITY
Frequently Asked Questions
What is Bromate and why can it appear in drinking-water records?
Bromate can be associated with drinking water through: Byproduct of ozone disinfection.
What reference value does this page show?
The summarized EPA Maximum Contaminant Level is 10 ppb. Some substances use action levels or rule-specific thresholds instead, so verify the current EPA standard.
Does a historical violation record mean it is in my tap today?
No. A compliance record may be historical or resolved. Use the latest Consumer Confidence Report or a certified test for current local conditions.