Lake Sumner
Lake Sumner in De Baca County, New Mexico is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1262 acres.
- Area
- 1,262 acres
- Public access
- Yes
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Why Lake Sumner has no grade
We grade a lake only when the monitoring record supports a letter: at least three phosphorus or chlorophyll-a samples in the last ten years, scored against EPA National Lakes Assessment thresholds for this lake’s ecoregion. For Lake Sumner, no water-quality sampling on record for this lake.
Not Rated is not an F. It is EPA Integrated Reporting Category 3 — insufficient information. The water here may be excellent or poor; nobody has measured enough of it to say. Everything below that has been measured is still reported on this page.
Sampling is run by NMED and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Sumner is a 1,262-acre lake in De Baca County, New Mexico. Limited fish-species data available. Public access is available with 2 public boat landings.
Source: EPA Water Quality Portal sampling records, NMED, last sampled recent years. Grade methodology: LakeQuality methodology.
Watch Lake Sumner water quality
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Swimming Safety
Not ratedElevated nutrients
Not rated for swimming — there is not enough monitoring data to judge this lake
Water quality measurements for Lake Sumner
These readings exist but are not enough for an A–F grade — see why.
No clarity data. Trophic State Index: undefined.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No recent samples | |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) |
Where to stay near Lake Sumner
Compare lakeside cabins, hotels, and vacation rentals near Lake Sumner in De Baca County, New Mexico — live availability and prices for your trip. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Lake Sumner
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Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 1,262 acres |
| Public Access | Yes |
No bathymetric survey has been published for Lake Sumner, so its depth is not documented here.
Recreation & Access
- Sumner Lake State ParkPublic
- Sumner Lake State ParkPublic
Named access points in the USGS National Boat Ramps inventory, within about 3 miles. More lakes with boat ramps
Fishing Lake Sumner
Nearby Lakes in De Baca County
Frequently asked questions about Lake Sumner
Where is Lake Sumner?
- Lake Sumner is a lake in De Baca County, New Mexico. LakeQuality has not rated this lake (UNRATED) — no water-quality sampling on record for this lake.
What is the water quality grade for Lake Sumner?
- Lake Sumner in De Baca County, New Mexico is not rated for water quality — its monitoring record does not meet the evidence bar. Surface area: 1262 acres.
Is Lake Sumner safe to swim in?
- Not rated for swimming — there is not enough monitoring data to judge this lake. Lake Sumner is not rated for water quality — its monitoring record does not meet the evidence bar. Always check local health department advisories before swimming.
Are there boat ramps on Lake Sumner?
- Lake Sumner has 2 documented boat landings in the USGS National Boat Ramps inventory. Named access points include Sumner Lake State Park, Sumner Lake State Park. Public access is listed as yes.
Explore Lake Sumner across LakeQuality
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Where this data comes from
Measurements for Lake Sumner come from the EPA Water Quality Portal. Per-sample source details are not recorded for this lake.
Other records on this page
Named boat-access points from the USGS National Boat Ramps inventory