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For 24-hour customer support or emergency, please call:

1-877-DEL-ORO-H2O
(1-877-335-6764)

For Billing or Service Inquiries:
1-530-717-2500

All Water Districts - Archive

The following are active Rules and Schedules which pertain to ALL Districts. They govern how Del Oro can conduct business as a water utility company. Tariffs and special Schedules specific to individual Districts can be found on each District's page.

Tariff Book for ALL Districts Files

CPUC Resolution W-5193

Updated on 02 July 2019

  • CPUC Resolution W-5193 Authorizing AL 511-A
  • Effective: May 30, 2019

Advice Letter 511

Updated on 30 March 2020

  • Catastrophic Wildfire Surcharge
  • Effective: Refer to AL 511-A

Advice Letter 505

Updated on 12 November 2018

  • Interim Disaster Relief
  • Effective: November 12, 2018

Advice Letter 507

Updated on 25 January 2019

  • Modifications to Schedule UF: CPUC Surcharge
  • Effective: April 1, 2019

Advice Letter 504

Updated on 12 November 2018

  • Revise Tax Gross Up on CIAC and AIAC
  • Effective: January 1, 2018

Advice Letter 495

Updated on 27 February 2018

  • Request to Establish the "Tax Cuts and Job Act" Memorandum Account
  • Effective: January 1, 2018

Advice Letter 484

Updated on 10 January 2018

  • Request to Establish Sustainable Groundwater Management Act Memorandum Account
  • Effective: May 23, 2017

Advice Letter 460

Updated on 21 July 2016

  • Modifications to Rule 14.1 & Schedule 14.1
  • Effective: June 29, 2016

Advice Letter 408

Updated on 03 June 2015

  • Modifications to Rule 14.1: Water Conservation & Rationing
  • Effective: June 1, 2015

Table of Contents

Updated on 20 January 2021

  • Table of Contents for Complete Tariff & Rule Book

Preliminary Statement

Updated on 20 January 2021

  • Preliminary Statement of Tariff and Rule Book

Rules 1-21

Updated on 20 January 2021

  • All Rules for Del Oro Water Company

Schedule LC - Late Charges

Updated on 20 January 2021

  • Advice Letter 518
  • Effective: February 1, 2020

Schedule UF - CPUC Surcharge

Updated on 01 October 2020

  • Resolution M-4841
  • Effective: October 1, 2020
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