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Lake Sumner

Lake Sumner, New Mexico
Larry D. Moore / Wikimedia Commons (CC BY 4.0)
Last stocked April 10, 2026

No stockings in the past 6 months — last stocked April 10, 2026.

~499-day intervals  ·  Peak: Apr, Oct  ·  9 stockings since 2020  ·  860,221 fish

Species Present

Channel CatfishWalleyeCommon Carp ✦Flathead Catfish ✦White Bass ✦

✦ Listed in fishing regulations (not stocked)

Consumption Advisory

Managed by: NM State Parks · Sumner Lake State Park Official site ↗

Bureau of Reclamation reservoir; recreation managed by State Parks.

Lake Sumner — water level, last 12 months

4,244.2 ft on Oct 16  ·  12-mo high 4,255.8 ft (Feb 21)  ·  low 4,233.1 ft (Sep 21)  ·  +10.5 ft in 30 days

NovDecJan 26FebMarAprMayJunJulAugSepOct4,2334,2444,256ft4,244.2 ft

Daily readings from Bureau of Reclamation, Lake Sumner. Elevation is the water surface above sea level; a falling line means ramps and shoreline access get longer. This is not a ramp-status feed — see park alerts and call ahead before towing.

Special Regulations

Boat Ramps (2)

Concrete · NM State Parks · Motorized craft allowed

Note: This information is sourced from NM Game & Fish GIS data. Always check the official NM Game & Fish fishing regulations for the most current rules.

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Complete Stocking History — Lake Sumner

Date Species Quantity Length (In) Hatchery
Apr 10, 2026 Walleye 172286 0.3 Rock Lake Trout Rearing Facility
Apr 09, 2026 Walleye 261111 0.3 Rock Lake Trout Rearing Facility
Apr 29, 2025 Walleye 40209 0.3 Rock Lake Trout Rearing Facility
Apr 29, 2025 Walleye 40209 0.3 Rock Lake Trout Rearing Facility
Apr 13, 2025 Walleye 164303 0.3 Rock Lake Trout Rearing Facility
Apr 13, 2025 Walleye 164303 0.3 Rock Lake Trout Rearing Facility
Oct 22, 2020 Channel Catfish 5030 11.2 Private
Oct 22, 2020 Channel Catfish 5030 11.2 Private
Oct 22, 2020 Channel Catfish 7740 11.2 Private

Tap any row to view the original NMDGF stocking report.