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Rifle Gap Reservoir

Rifle Gap Reservoir and Dam

2.1% full

Capacity

15.01 hm³

Volume stored

0 hm³

Vs month average

8% of normal

Coordinates

39.628°N, 107.760°W

Last updated

2026-10-26

Current fill

2.1%
Critical

vs 7 days ago

-6.9 pp

losing

vs 1 year ago

-5.5 pp

year-over-year

7-day trend

↓

falling

Drought context

Storage vs October average

8%of normal

2.1% full on 2026-10-26, against an average of 27.7% for October across 6 years of readings (-25.6 points).

Drought Monitor at this site · 20 October 2026

D1moderate drought

The ground at Rifle Gap Reservoir's coordinates falls inside the D1 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Colorado drought figures →

Data source: BOR RISE — US Bureau of Reclamation — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-10-26.

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.628°N, 107.760°W · Open in Google Maps

About Rifle Gap Reservoir

As of October 26, 2026, Rifle Gap Reservoir is filled to 2.1% of its total capacity, holding 0.32 hm³ of water out of a maximum 15.01 hm³. At this level the reservoir is critically low.

Over the most recent week on record the fill level has fallen by 6.9 percentage points, and it is 5.5 points below its level on the same date a year earlier.

Across the readings we hold for Rifle Gap Reservoir — 1824 data points between October 29, 2021 and October 26, 2026 — the level has ranged from a low of 2.1% (October 24, 2026) to a high of 104.7% (June 17, 2023). On average the reservoir is fullest around May and at its lowest around October.

It is operated by BOR primarily for multiple purposes. It is at 39.628°N, 107.760°W.

Key facts

Current fill level
2.1% of total capacity
Water stored
0.32 hm³
Total capacity
15.01 hm³
7-day change
▼ 6.9 pp
Year-on-year
▼ 5.5 pp
Primary use
Multipurpose
Operator
BOR
Coordinates
39.628°N, 107.760°W
Last updated
October 26, 2026

Recent readings

DateFill levelVolume (hm³)
26 Oct 20262.1%0.32
25 Oct 20262.1%0.32
24 Oct 20262.1%0.31
23 Oct 202610.3%1.54
22 Oct 20269.9%1.49
21 Oct 20269.5%1.43
20 Oct 20269.3%1.39
19 Oct 20269.0%1.35
18 Oct 20268.7%1.3
17 Oct 20268.4%1.26
16 Oct 20268.1%1.21
15 Oct 20267.9%1.18

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