Oakland County, Michigan · Water Quality Report Card
Hammond Lake Central Basin East; Bloomfield Township
Hammond Lake Central Basin East; Bloomfield Township in Oakland County, Michigan is not rated for water quality — its monitoring record does not meet the evidence bar. Phosphorus: 15 µg/L.
- Mean depth
- ~12 ft est.
- Type
- Mesotrophic
- Trend
- ↑ Improving
Hammond Lake Central Basin East; Bloomfield Township is a mesotrophic lake in Oakland County, Michigan with an estimated average depth of about 12 feet. Overall water quality is improving over recent sampling years.
Source: EPA Water Quality Portal sampling records, EGLE, last sampled 2022-09-26. Grade methodology: LakeGrade methodology.
Watch Hammond Lake Central Basin East; Bloomfield Township water quality
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Swimming Safety
Not rated for swimming — there is not enough monitoring data to judge this lake
Water Quality Grade: Not rated
No clarity data. Phosphorus level: 15 µg/L. Trophic State Index: 43.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | No data | |
| Phosphorus | 15 µg/L | |
| Chlorophyll-a (Algae) | No data | |
| Trophic State Index (TSI) | 43 | 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 Hammond Lake Central Basin East; Bloomfield Township.
Where to stay near Hammond Lake Central Basin East; Bloomfield Township
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Fishing Hammond Lake Central Basin East; Bloomfield Township
Water Quality Trend: ↑ Improving
Based on 3 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +1.375 m/yr | 3 |
| Phosphorus | ↓ Declining | +4 µg/L/yr | 2 |
| Chlorophyll-a | ↑ Improving | -0.75 µg/L/yr | 3 |
Location
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Moderate nutrients, good water quality
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EPA Impairment Status
Hammond Lake Central Basin East; Bloomfield Township is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 5).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MI040900040401-12 · Official waterbody report · Matched by proximity (1.06 km)
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
1 measurement from 1 monitoring station, 2022. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Michigan EGLE - MiCorps
21MICH_MICORPS1 sample · 2022
Analytical methods
- Phosphorus by Colorimetry
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: 2022-09-26
Monitoring stations: 1