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Drinking Water Laws and Rules

State and Federal Laws

The Utah Safe Drinking Water Act (Title 19, Chapter 4 of the Utah Code) empowers the Utah Drinking Water Board to enact rules pertaining to public water systems. Those rules are listed below.

Congress has passed a Federal Safe Drinking Water Act (US EPA) which empowers the EPA to adopt and enforce rules which must be met by each public water system in the nation. By agreement with the EPA, Utah administers the federal act within the state. Thus, Utah’s laws and rules regarding public drinking systems are in conformity with federal rules. Public water suppliers in Utah should refer to the Utah laws and rules.

Drinking Water Rules

Each rule shown on this page is provided in two versions:

  • DDW Version
    The Utah Division of Drinking Water (DDW) maintains its own version of the rules, tagged as “DDW Version.” The DDW version contains user-friendly formatting and, in some cases, guidance language not available in the DAR version. Furthermore, DDW versions are kept up to date. This is the recommended version.
  • DAR Version
    The Utah Division of Administrative Rules (DAR) compiles and publishes all State rules. Provided is a link to adminrules.utah.gov for each rule. For an index of all DAR-published drinking water rules see Title R309. Environmental Quality, Drinking Water.

Disclaimer

  • The rules provided on this and DAR’s Website are not the official, legal versions of the rules, which are kept in an internal DAR administered database. To obtain the legal version, contact DAR.
  • Alternatively, the legal version of the rules may be obtained in hard (paper) copy.
  • On this website, an attempt is made to post rules in an accurate and timely manner, but this cannot be guaranteed.

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Series 100—Administration of the Drinking Water Program

R309-100 (DAR): Administration of the Drinking Water Program

Read rule R309-100
on adminrules.utah.gov
Download Word file
  • Enactment or Last Substantive Amendment: January 15, 2019

R309-105 (DAR): General Responsibilities of Public Water Systems

Read rule R309-105
on adminrules.utah.gov
Download Word file

R309-110 (DAR): Definitions

Read rule R309-110
on adminrules.utah.gov
Download Word file
  • Enactment or Last Substantive Amendment: January 15, 2019

R309-115 (DAR): Administrative Procedures

Read rule R309-115
on adminrules.utah.gov
Download Word file
  • Enactment or Last Substantive Amendment: August 29, 2011

Series 200—Drinking Water Standards, Monitoring, Reporting and Record Maintenance

R309-200 (DAR): Drinking Water Standards

Read rule R309-200
on adminrules.utah.gov
Download Word file

R309-205 (DAR): Source Monitoring

Read rule R309-205
on adminrules.utah.gov
Download Word file

R309-210 (DAR): Distribution System Monitoring Requirements

Read rule R309-210
on adminrules.utah.gov
Download Word file

R309-211 (DAR): Distribution System Monitoring Requirements – Total Coliform Requirements

Read rule R309-211
on adminrules.utah.gov
Download Word file

R309-215 (DAR): Treatment Plant Monitoring Requirements

Read rule R309-215
on adminrules.utah.gov
Download Word file

R309-220 (DAR): Monitoring and Water Quality: Public Notification Requirements

Read rule R309-220
on adminrules.utah.gov
Download Word file

R309-225 (DAR): Consumer Confidence Reports

Read rule R309-225
on adminrules.utah.gov
Download PDF
  • Enactment or Last Substantive Amendment: January 15, 2019

R309-230 (DAR): Lead in School Sampling and Remediation Requirements

Read rule R309-230
on adminrules.utah.gov
Download PDF

Series 300—Certification of Public Water System Operators and Backflow Technicians

R309-300 (DAR): Drinking Water System Operators

Read rule R309-300
on adminrules.utah.gov
Download Word file

R309-305 (DAR): Backflow Technicians

Read rule R309-305
on adminrules.utah.gov
Download Word file
  • Enactment or Last Substantive Amendment: October 15, 2004

Series 400—Compliance Determinations and Enforcement

R309-400 (DAR): Water System Rating Criteria (Improvement Priority System)

Read rule R309-400
on adminrules.utah.gov
Download Word file
  • Enactment or Last Substantive Amendment: November 8, 2019

R309-405 (DAR): Administrative Penalties

Read rule R309-405
on adminrules.utah.gov
Download Word file
  • Enactment or Last Substantive Amendment: April 23, 2021

Series 500—Drinking Water Facility Construction Design and Operation

For guidance see Construction Approval Process.

R309-500 (DAR): Plan Review, Operation and Maintenance Requirements

Read rule R309-500
on adminrules.utah.gov

R309-505 (DAR): Minimum Treatment Requirements

Read rule R309-505
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: September 13, 2005

R309-510 (DAR): Minimum Sizing Requirements

Read rule R309-510
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: July 15, 2015
  • Map for Outside Irrigation Requirements Information Needed for Reduction in Source Sizing Requirements: DOC
  • Information Needed for Reduction in Storage Sizing Requirements: DOC
  • R309-510 Guidance

R309-511 (DAR): Hydraulic Modeling Rule

Read rule R309-511
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: January 21, 2014

R309-515 (DAR): Source Development

Read rule R309-515
on adminrules.utah.gov

R309-520 (DAR): Disinfection

Read rule R309-520
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: November 16, 2015
  • Guidance: UV Reactor Monitoring and Reporting Protocol [This document supplements R309-520-8]
  • R305-520 Guidance

R309-525 (DAR): Conventional Surface Water Treatment

Read rule R309-525
on adminrules.utah.gov

R309-530 (DAR): Alternative Surface Water Treatment Methods

Read rule R309-530
on adminrules.utah.gov

R309-535 (DAR): Miscellaneous Treatment Methods

Read rule R309-535
on adminrules.utah.gov

R309-540 (DAR): Pump Stations

Read rule R309-540
on adminrules.utah.gov

R309-545 (DAR): Drinking Water Storage Tanks

Read rule R309-545
on adminrules.utah.gov

R309-550 (DAR): Transmission and Distribution Pipelines

Read rule R309-550
on adminrules.utah.gov

Series 600—Drinking Water Source Protection Management

For guidance, see Source Protection Program.

R309-600 (DAR): Source Protection For Ground-Water Sources

Read rule R309-600
on adminrules.utah.gov

R309-605 (DAR): Source Protection for Surface Water Sources

Read rule R309-605
on adminrules.utah.gov

Series 700—Financial Assistance Programs

R309-700 (DAR): State Drinking Water Project Revolving Loan Program

Read rule R309-700
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: May 22, 2023

R309-705 (DAR): Federal Drinking Water Project Revolving Loan Program

Read rule R309-705
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: May 22, 2023

Series 800—Capacity Assessment of Public Drinking Water Systems

R309-800 (DAR): Capacity Development Program

Read rule R309-800
on adminrules.utah.gov
  • Enactment or Last Substantive Amendment: May 22, 2023

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