Bill Evans Lake Deep
Grant County, New Mexico63 acresView mapDirections
NMED publishes the water-quality measurements for Bill Evans Lake Deep. Here is what has been measured.
- Impaired · Mercury
- 24 ft max depth
- Limited data
Ask about Bill Evans Lake Deep
Answers come straight from the public measurements and survey records on this page.
Bill Evans Lake Deep in Grant County, New Mexico has water-quality measurements published by NMED, shown here as reported. Water clarity: 11.5 ft visibility. Surface area: 62.5 acres.
Stays via Stay22
Stays near Bill Evans Lake Deep
Compare lakeside cabins, hotels, and vacation rentals near Bill Evans Lake Deep in Grant 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 Bill Evans Lake Deep
Prices for Sep 18–20, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a whole trip? See where to stay at New Mexico’s top lakes →
Follow Bill Evans Lake Deep’s readings
Email me when new measurements post for this lake. Updates stay free.
Or email
Bill Evans Lake Deep is a 63-acre lake in Grant County, New Mexico with an estimated average depth of about 24 feet.
Source: EPA Water Quality Portal sampling records, NMED, last sampled 2019-10-01. Grade methodology: LakeQuality methodology.
What Bill Evans Lake Deep is good for
From access and monitoring records, not editorial picks.
- Clear water11.5 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Bill Evans Lake Deep is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs. Check local advisories before you swim.
Whether Bill Evans Lake Deep is safe to swim in today is a call for the New Mexico Environment Department and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Bill Evans Lake Deep
These are the measurements NMED publishes for Bill Evans Lake Deep, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Good clarity, visible to about 11.5 ft. TSI 42.
| Metric | Value | EPA condition class |
|---|---|---|
| Water Clarity (Secchi Depth) | 11.5 ft | Measured, not scored |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 42 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | ~24 ft est. |
| Average Depth | ~18 ft est. |
| Surface Area | 63 acres |
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. New Mexico has not published bathymetry for Bill Evans Lake Deep.
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth here is modelled, not surveyed — HydroLAKES v1.0 estimates lake depth from surrounding terrain rather than from soundings. Treat it as an approximation, and prefer a state bathymetric survey where one exists.
Fishing Bill Evans Lake Deep
Reservoir Info (USACE NID)
Bill Evans Lake Deep is a man-made reservoir impounded by the Bill Evans Dam (completed 1969), built primarily for other on the Mangas -Os; earth-type dam, 170 ft tall and 1,750 ft long.
- Surface area
- 62.5 ac
- Normal storage
- 2,100 ac-ft
- Max storage
- 2,375 ac-ft
- Drainage area
- 0.36 sq mi
- Hazard class
- High
- Owner
- FREEPORT MCMORAN CORPORATION
All listed purposes: Other;Recreation.
Source: USACE National Inventory of Dams, NID ID NM00138 · Operator website · Matched by proximity (0.17 km)
EPA Impairment Status
Bill Evans Lake Deep is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit NM-2502.B_00 · Official waterbody report · Matched by proximity (0.21 km)
Nearby Lakes in Grant County
Frequently asked questions about Bill Evans Lake Deep
Where is Bill Evans Lake Deep?
- Bill Evans Lake Deep is a lake in Grant County, New Mexico. Its water-quality measurements are published by NMED and shown on this page as reported.
What is the water quality of Bill Evans Lake Deep?
- Bill Evans Lake Deep in Grant County, New Mexico has water-quality measurements published by NMED, shown here as reported. Water clarity: 11.5 ft visibility. Surface area: 62.5 acres.
Is Bill Evans Lake Deep safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Bill Evans Lake Deep is listed impaired under Clean Water Act §303(d) (IR 5) for mercury, pCBs. Check local advisories before you swim.
How deep is Bill Evans Lake Deep?
- No published bathymetric survey covers Bill Evans Lake Deep, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 24 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate. The lake covers 62.5 acres.
Explore Bill Evans Lake Deep across LakeQuality
More lakes in New Mexico
Other Lakes in New Mexico
Mesotrophic Lakes in New Mexico
Where this data comes from
2 measurements from 1 monitoring station, 2019. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- NM Environmental Dept./SWQB
21NMEX_WQX2 samples · 2019
Monitoring station identifiers (1)
EPA condition classes from the National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See where the data comes from and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)