Gogebic County, Michigan · Water Quality Report Card
Langford Lake
Langford Lake in Gogebic County, Michigan has a water quality grade of A (Excellent). Water clarity: 6 ft visibility. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 3.1 µg/L.
- Clarity
- 6 ft
- Mean depth
- ~12 ft est.
- Type
- Mesotrophic
Langford Lake is a mesotrophic lake in Gogebic County, Michigan with an estimated average depth of about 12 feet. Water quality is graded A based on 1 sampling years through 2023. Compared to the 18 other monitored lakes in Gogebic County, Langford Lake ranks #3 for water quality.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2023-09-08. Grade methodology: LakeGrade methodology.
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A (Excellent)
Murky, only visible to about 6 ft. Phosphorus level: 18 µg/L. Chlorophyll-a: 3.1 µg/L. Trophic State Index: 46.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 6 ft | |
| Phosphorus | 18 µg/L | |
| Chlorophyll-a (Algae) | 3.1 µg/L | Good |
| Trophic State Index (TSI) | 46 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Average Depth | ~12 ft est. |
Depth marked “est.” is a modeled estimate from HydroLAKES, not a measured survey. Michigan has not published bathymetry for Langford Lake.
Where to stay near Langford Lake
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Fishing Langford Lake
Location
County Ranking
Ranked #3 of 19 lakes in Gogebic County
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Moderate nutrients, good water quality
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Other Grade A Lakes in Michigan
Iron County · 6 ft
Iron County · 15.5 ft
Iron County · 11 ft
Iron County · 18 ft
Iron County · 17 ft
Benzie County · 15 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
EPA Impairment Status
Langford Lake 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 MI040201020103-02 · Official waterbody report
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.
Where this data comes from
20 measurements from 1 monitoring station, 2023. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS20 samples · 2023
Analytical methods
- Phosphorus by Colorimetry
- 445.0 ~ EPA; Chlorophyll and Pheophytin in Algae by Fluorescence
Monitoring station identifiers (1)
Grade thresholds come from the U.S. EPA National Lakes Assessment 2022 Technical Support Document (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion
Most recent sample: 2023-09-08
Monitoring stations: 1