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🛰 Reservoir Levels

Storage estimates from satellite imagery · Updated twice weekly

Last updated: 2026-11-13

How do we estimate reservoir levels? ›

System Total 26% full ~17,400 / 65,637 AF

Current Estimates

Fossil Creek Res

Rough estimate
~33% ~3,848 / 11,740 AF

Likely between 1,737–6,775 AF

📡 Image date: 2026-10-19  ·  240 acres water visible

vs. 2026-10-19 image: ⇨ similar to 3,848 AF

📋 Last official reading: 722 AF — 1955-11

Park Creek Res

Rough estimate
~9% ~925 / 10,393 AF

Likely between 872–1,271 AF

📡 Image date: 2026-10-17  ·  87 acres water visible

vs. 2026-10-17 image: ⇨ similar to 925 AF

📋 Last official reading: 7,275 AF — 1976-03

NP Res 6

Rough estimate
~27% ~2,669 / 9,968 AF

Likely between 1,801–3,886 AF

📡 Image date: 2026-10-17  ·  0 acres water visible

vs. 2026-10-17 image: ⇨ similar to 2,669 AF

📋 Last official reading: 405 AF — 1956-08

NP Res 5

Rough estimate
~38% ~2,582 / 6,707 AF

Likely between 2,173–3,078 AF

📡 Image date: 2026-10-17  ·  546 acres water visible

vs. 2026-10-17 image: ⇨ similar to 2,582 AF

📋 Last official reading: 5,334 AF — 1958-08

NP Res 16 Halligan

Rough estimate
~8% ~508 / 6,440 AF

📡 Image date: 2026-10-17  ·  54 acres water visible

vs. 2026-10-17 image: ⇨ similar to 508 AF

📋 Last official reading: 1,582 AF — 1956-01

NP Res 15

Reasonable estimate
~5% ~262 / 5,579 AF

Likely between 0–671 AF

📡 Image date: 2026-10-17  ·  25 acres water visible

vs. 2026-10-17 image: ⇨ similar to 262 AF

📋 Last official reading: 662 AF — 1956-01

NP Res 2

Rough estimate
~55% ~2,122 / 3,854 AF

Likely between 1,575–2,745 AF

📡 Image date: 2026-10-17  ·  208 acres water visible

vs. 2026-10-17 image: ⇨ similar to 2,122 AF

📋 Last official reading: 1,779 AF — 1956-05

NP Res 3

Rough estimate
~66% ~2,116 / 3,227 AF

Likely between 1,977–2,534 AF

📡 Image date: 2026-10-17  ·  314 acres water visible

vs. 2026-10-17 image: ⇨ similar to 2,116 AF

📋 Last official reading: 506 AF — 1956-08

NP Res 1 Miners Lake

Rough estimate
~13% ~263 / 1,985 AF

📡 Image date: 2026-10-17  ·  48 acres water visible

vs. 2026-10-17 image: ⇨ similar to 263 AF

📋 Last official reading: 1,153 AF — 1976-12

Indian Creek Res

Rough estimate
~62% ~1,192 / 1,909 AF

Likely between 644–1,328 AF

📡 Image date: 2026-10-17  ·  17 acres water visible

vs. 2026-10-17 image: ⇨ similar to 1,192 AF

📋 Last official reading: 361 AF — 1955-11

NP Res 4

Rough estimate
~35% ~547 / 1,563 AF

Likely between 294–710 AF

📡 Image date: 2026-10-17  ·  131 acres water visible

vs. 2026-10-17 image: ⇨ similar to 547 AF

📋 Last official reading: 115 AF — 1955-11

Smith Lake Boxelder Res 3

Rough estimate
~8% ~110 / 1,309 AF

Likely between 91–148 AF

📡 Image date: 2026-10-17  ·  275 acres water visible

vs. 2026-10-17 image: ⇨ similar to 110 AF

📋 Last official reading: 168 AF — 1981-10

NP Res 12 Upper Clark

Rough estimate
~27% ~256 / 963 AF

Likely between 117–368 AF

📡 Image date: 2026-10-17  ·  79 acres water visible

vs. 2026-10-17 image: ⇨ similar to 256 AF

📋 Last official reading: 578 AF — 1976-08

These are estimates, not official measurements. Satellite imagery gives us a good general picture of reservoir levels between official readings, but real-world conditions (clouds, snow on the ground, reservoir shape) can affect accuracy. For official water records, contact NPIC at (970) 568-3612 or the Colorado Division Engineer, District 3 (Greeley, 970-352-8712).

Learn how we make these estimates ›