Lake Roberts is a productive, nutrient-rich eutrophic lake in Grant County, New Mexico. Water quality is graded F based on 1 sampling years through 2019. Compared to the 2 other monitored lakes in Grant County, Lake Roberts ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, New Mexico DNR, last sampled 2019-10-02. Grade methodology: LakeGrade methodology.
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Swimming Safety
Avoid swimming, very poor water quality, potential algae toxins
Water Quality Grade: F, Very Poor
Murky, only visible to about 5.7 ft. Chlorophyll-a: 41.1 µg/L. Trophic State Index: 59.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.7 ft | C |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 41.1 µg/L | F |
| Trophic State Index (TSI) | 59 | Eutrophic |
High nutrients, frequent algae, reduced clarity
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Fishing Lake Roberts
Location
County Ranking
Ranked #3 of 3 lakes in Grant County
Cleaner Lakes Within 30 Miles
Lake Roberts holds Grade F. One nearby lake has a higher grade.
Nearby Lakes in Grant County
Explore Lake Roberts across LakeGrade
More New Mexico Lake Rankings
Other Grade F Lakes in New Mexico
Eutrophic Lakes in New Mexico
More records, surveys & data sources
Data Sources
Water quality data from the EPA Water Quality Portal
Grading methodology based on Metropolitan Council standards
Most recent sample: 2019-10-02
Monitoring stations: 1