OHA Drinking Water Services
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SLI Public Accessibility Certification
Search by water system name or number:
You can enter all or part of the water system's name. Only exact matches will be returned.
Information for all water systems:
Water System Inventory
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Water System Surveys
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Outstanding Performers
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Treatment Plant Inspections
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Treatment
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Plan Reviews
Alerts
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Violations
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Compliance & Enforcement
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Deficiencies
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System Scores
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Exceedances
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Public Notices
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Service Lines
Water Advisories
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Contact Reports
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Cyanotoxins
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PFAS
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Post-wildfire VOCs
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Fluoride
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Certification List
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DW Source Protection
New!
Visit our new
Drinking Water Source Protection
page.
Introduction
::
Data Search Options
::
Water System Search
::
DWS Home
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DWS Rules
Need help?
Email Drinking Water Services
for assistance.
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