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CA5510021

Tuolumne Utilites District

Sonora · TUOLUMNE County · Potable Water · Retail

Real loss per connection per day (2024)

14.8gallons

Higher than 25% of California systems

Real loss as % of water supplied

22.0%

Total loss 22.4% · apparent 0.4%

Change vs prior year

−148.4gal/conn/day

Loss falling

Real loss volume, latest audit

178,988 gal

0.5 AF · 33 connections

Loss history

8 audit years available (2017–2024).

Teal area: real loss in gallons per service connection per day. Orange line: real loss as a percentage of water supplied. Gaps mean the metric was not calculable for that audit.

Peer comparison

This system

14.8gal/conn/day

TUOLUMNE County median

31.8gal/conn/day

Statewide median

26.8gal/conn/day

Audit record

YearPeriodSuppliedReal lossgal/conn/daygal/mile/dayReal %Total %ILIValidityStatus
20242024-01-01 → 2024-12-312.5 AF0.5 AF14.814422.0%22.4%0.3561Preliminarily Approved
20232023-01-01 → 2023-12-318.4 AF6.0 AF163.31,58971.7%71.8%3.8661Preliminarily Approved
20222022-01-01 → 2022-12-314.8 AF2.2 AF60.63,70246.8%47.1%4.2361Preliminarily Approved
20212021-01-01 → 2021-12-314.5 AF1.5 AF41.41,36533.9%35.6%60Requirements Addressed
20202020-01-01 → 2020-12-313.5 AF0.6 AF15.852316.9%19.0%60Requirements Addressed
20192019-01-01 → 2019-12-313.9 AF0.8 AF20.467519.6%23.2%44Requirements Addressed
20182018-01-01 → 2018-12-3112.7 AF9.7 AF263.48,69376.8%77.9%45Requirements Addressed
20172017-01-01 → 2017-12-3110.4 AF7.9 AF213.24,18876.0%76.7%42Requirements Addressed

Data quality notes

No integrity flags were raised on this system's audits.

Provenance

Audit data
CA Urban Retail Water System Water Loss Annual Loss Audit Data (DWR)
Volume normalization
Source acre-feet and million-gallon values converted at 1 acre-foot = 325,851 gallons
Geography
California SABL drinking-water service areas + EPA ORD SAB Model service-area polygon (PWSID)
Geography match
pwsid_exact_service_area · high confidence
Audits published
8
Full method and caveats