Lake Meredith
Crowley County, Colorado6,223 acresView mapDirections
No nutrient or algae sampling on record from Colorado WQCD for this lake.
- Impaired · Metals (other than mercury)
- 76 ft max depth
- Limited data
Lake Meredith in Crowley County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 6223 acres.
Lake Meredith is a 6,223-acre lake in Crowley County, Colorado with an estimated average depth of about 76 feet.
Source: EPA Water Quality Portal sampling records, CDPHE, last sampled 2023-10-17. Methodology: how these readings are compared.
What Lake Meredith is good for
From access and monitoring records, not editorial picks.
- Big water6,223 acres
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Lake Meredith is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury). Check local advisories before you swim.
Whether Lake Meredith is safe to swim in today is a call for the Water Quality Control Division of the Colorado Department of Public Health and Environment and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Meredith
These are the measurements Colorado WQCD publishes for Lake Meredith, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
No clarity data.
Ask about Lake Meredith
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~76 ft est.
Surface area
6,223 acres
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Colorado has not published bathymetry for Lake Meredith.
Lake Size & Watershed
Watershed (drainage) area
92 sq mi
HydroLAKES / HydroSHEDS
Shoreline
16.7 mi
HydroLAKES / HydroSHEDS
Elevation
4,259 ft
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.
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Stays near Lake Meredith
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Fishing Lake Meredith
Reservoir Info (USACE NID)
Lake Meredith is a man-made reservoir impounded by the Lake Meredith (completed 1926), built primarily for irrigation on the Bob Creek; earth-type dam, 30 ft tall and 100 ft long.
- Surface area
- 6,223 ac
- Normal storage
- 39,804 ac-ft
- Max storage
- 41,413 ac-ft
- Drainage area
- 115 sq mi
- Hazard class
- Significant
- Owner
- COLORADO CANAL COMPANY (MATT ROULEAU)
All listed purposes: Irrigation;Fish and Wildlife Pond;Recreation.
Source: USACE National Inventory of Dams, NID ID CO01836 · Operator website
EPA Impairment Status
Lake Meredith is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
Designated uses not supporting: Aquatic life.
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit COARLA12_A · Official waterbody report
Nearby Lakes in Crowley County
Frequently asked questions about Lake Meredith
Where is Lake Meredith?
- Lake Meredith is a lake in Crowley County, Colorado. Its water-quality measurements are published by Colorado WQCD and shown on this page as reported.
What is the water quality of Lake Meredith?
- Lake Meredith in Crowley County, Colorado has water-quality measurements published by Colorado WQCD, shown here as reported. Surface area: 6223 acres.
Is Lake Meredith safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Meredith is listed impaired under Clean Water Act §303(d) (IR 5) for metals (other than mercury). Check local advisories before you swim.
How deep is Lake Meredith?
- No published bathymetric survey covers Lake Meredith, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 76 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 6223 acres.
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Where this data comes from
4 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Colorado Dept. of Public Health & Environment-WQCD
21COL001_WQX4 samples · 2023
Analytical methods
- Secchi disk depth measurement
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- Nitrogen in Water by Pyrolysis Detection
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)