Water Storage Graph

The graph below demonstrates our water resource levels by showing how full Guernsey Water's storage reservoirs and quarries are.

Current Year

• 2021-01-01|99.6
• 2021-01-05|100
• 2021-01-12|99.6
• 2021-01-19|99.6
• 2021-01-27|99.7
• 2021-02-03|99.5
• 2021-02-10|99.4
• 2021-02-17|99.2
• 2021-02-24|99.5
• 2021-03-03|99.3
• 2021-03-10|99.7
• 2021-03-17|99.6
• 2021-03-23|99.7
• 2021-03-30|99.3
• 2021-04-06|99.6
• 2021-04-14|98.3
• 2021-04-21|97.6
• 2021-04-28|97.8
• 2021-05-03|97.8
• 2021-05-10|97.0
• 2021-05-17|97.7
• 2021-05-24|98.2
• 2021-05-31|98.0
• 2021-06-07|98.1
• 2021-06-08|98.1
• 2021-06-14|97.0
• 2021-06-21|96.5
• 2021-06-28|95.7
• 2021-07-05|95.8
• 2021-07-12|95.2
• 2021-07-19|94.0
• 2021-07-26|92.8
• 2021-08-02|91.8
• 2021-08-09|91.0
• 2021-08-16|90.0
• 2021-08-23|88.0
• 2021-08-30|87.0
• 2021-09-06|85.3
• 2021-09-13|84.2
• 2021-09-20|82.8
• 2021-09-27|81.9
• 2021-10-04|81.9
• 2021-10-11|81.5
• 2021-10-18|80.6
• 2021-10-25|80.8
• 2021-11-01|81.1
• 2021-11-08|81.0
• 2021-11-15|79.7

Last Year

• 2020-01-07|99.9
• 2020-01-14|99.6
• 2020-01-21|99.5
• 2020-01-28|99.2
• 2020-02-04|99.1
• 2020-02-11|98.9
• 2020-02-18|98.8
• 2020-03-03|98.9
• 2020-03-10|99.1
• 2020-03-17|98.6
• 2020-03-24|98.6
• 2020-03-31|98.9
• 2020-04-07|98.7
• 2020-04-14|99.0
• 2020-04-21|99.5
• 2020-04-28|99.7
• 2020-05-05|99.6
• 2020-05-12|99.8
• 2020-05-19|99.2
• 2020-05-26|98.4
• 2020-06-02|97.5
• 2020-06-09|97.0
• 2020-06-16|97.9
• 2020-06-23|97.5
• 2020-06-30|96.8
• 2020-07-07|96.1
• 2020-07-14|94.7
• 2020-08-11|91.0
• 2020-08-18|89.9
• 2020-08-25|88.1
• 2020-08-31|87.2
• 2020-09-08|86.1
• 2020-09-15|84.8
• 2020-09-22|83.6
• 2020-09-29|82.8
• 2020-10-06|85.9
• 2020-10-13|86.9
• 2020-10-20|87.3
• 2020-10-27|88.8
• 2020-11-03|91.0
• 2020-11-10|91.6
• 2020-11-17|93.8
• 2020-11-24|94.6
• 2020-12-01|94.8
• 2020-12-08|95.8
• 2020-12-15|98.2
• 2020-12-22|99.6
• 2020-12-29|99.6

10 Year Average

• 2000-01-01|95.24
• 2000-01-08|96.14
• 2000-01-15|96.3
• 2000-01-24|96.5
• 2000-01-30|96.54
• 2000-02-06|96.88
• 2000-02-13|97.33
• 2000-02-20|97.56
• 2000-02-27|97.92
• 2000-03-06|98.64
• 2000-03-13|98.76
• 2000-03-20|98.68
• 2000-03-27|98.77
• 2000-04-03|98.69
• 2000-04-10|98.32
• 2000-04-17|98.1
• 2000-04-24|97.8
• 2000-05-01|98.
• 2000-05-08|97.65
• 2000-05-15|97.37
• 2000-05-22|97.08
• 2000-05-29|96.9
• 2000-06-05|96.39
• 2000-06-12|96.25
• 2000-06-19|95.58
• 2000-06-26|94.77
• 2000-07-03|93.76
• 2000-07-10|92.66
• 2000-07-17|91.63
• 2000-07-24|90.72
• 2000-07-31|89.74
• 2000-08-07|89.14
• 2000-08-14|88.33
• 2000-08-21|87.52
• 2000-08-28|86.6
• 2000-09-04|85.98
• 2000-09-11|85.12
• 2000-09-18|84.03
• 2000-09-25|83.18
• 2000-10-02|82.46
• 2000-10-09|82.42
• 2000-10-16|82.41
• 2000-10-23|82.22
• 2000-10-30|82.86
• 2000-11-06|83.36
• 2000-11-13|84.97
• 2000-11-20|86.23
• 2000-11-27|87.6
• 2000-12-04|89.59
• 2000-12-11|90.61
• 2000-12-18|92.72
• 2000-12-25|94.04
• 2000-12-31|98.48