CA0710003
Concord · CONTRA COSTA County · Potable Water · Retail
Real loss per connection per day (2024)
47.2gallons
Higher than 73% of California systems
Real loss as % of water supplied
10.8%
Total loss 12.4% · apparent 1.7%
Change vs prior year
+14.2gal/conn/day
Loss rising
Real loss volume, latest audit
1.08B gal
3,302 AF · 62,253 connections
9 audit years available (2016–2024).
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.
This system
47.2gal/conn/day
CONTRA COSTA County median
38.9gal/conn/day
Statewide median
26.8gal/conn/day
| Year | Period | Supplied | Real loss | gal/conn/day | gal/mile/day | Real % | Total % | ILI | Validity | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | 2024-01-01 → 2024-12-31 | 30,697 AF | 3,302 AF | 47.2 | 3,610 | 10.8% | 12.4% | 2.95 | 59 | Under Review |
| 2023 | 2023-01-01 → 2023-12-31 | 28,688 AF | 2,321 AF | 33.1 | 2,547 | 8.1% | 9.8% | 2.07 | 55 | Preliminarily Approved |
| 2022 | 2022-01-01 → 2022-12-31 | 30,483 AF | 1,958 AF | 27.7 | 2,155 | 6.4% | 8.2% | 1.74 | 59 | Under Review |
| 2021 | 2021-01-01 → 2021-12-31 | 31,328 AF | 1,754 AF | 24.8 | 1,931 | 5.6% | 7.3% | 1.55 | 67 | Requirements Addressed |
| 2020 | 2020-01-01 → 2020-12-31 | 33,172 AF | 2,336 AF | 33.0 | 2,565 | 7.0% | 8.7% | 2.06 | 67 | Requirements Addressed |
| 2019 | 2019-01-01 → 2019-12-31 | 30,466 AF | 2,030 AF | 28.8 | 2,213 | 6.7% | 8.3% | 1.79 | 67 | Requirements Addressed |
| 2018 | 2018-01-01 → 2018-12-31 | 30,587 AF | 1,823 AF | 25.8 | 1,987 | 6.0% | 7.6% | 1.61 | 66 | Requirements Addressed |
| 2017 | 2017-01-01 → 2017-12-31 | 29,737 AF | 1,726 AF | 24.5 | 1,882 | 5.8% | 7.5% | 1.52 | 66 | Requirements Addressed |
| 2016 | 2016-01-01 → 2016-12-31 | 27,389 AF | 1,748 AF | 25.3 | 1,907 | 6.4% | 8.2% | 1.57 | 63 | Requirements Addressed |
No integrity flags were raised on this system's audits.