Lake Lansing Northwest Basin; Meridian Township is a 453-acre mesotrophic lake in Ingham County, Michigan. Water quality is graded A based on 2 sampling years through 2023. Limited fish-species data available. Public access is available with 1 public boat landing.
Source: EPA Water Quality Portal sampling records, Michigan DNR, last sampled 2023-09-18. Grade methodology: LakeGrade methodology.
Watch Lake Lansing Northwest Basin; Meridian Township water quality
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Swimming Safety
Excellent for swimming, crystal clear water with minimal algae
Water Quality Grade: A, Excellent
Good clarity, visible to about 10.3 ft. Chlorophyll-a: 3.8 µg/L. Trophic State Index: 44.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 10.3 ft | B |
| Phosphorus | No data | |
| Chlorophyll-a (Algae) | 3.8 µg/L | A |
| Trophic State Index (TSI) | 44 | Mesotrophic |
Moderate nutrients, good water quality
Lake Details
| Characteristic | Value |
|---|---|
| Surface Area | 453 acres |
| Public Access | Yes |
Where to stay near Lake Lansing Northwest Basin; Meridian Township
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Fishing Lake Lansing Northwest Basin; Meridian Township
Recreation & Access
Water Temperature
Lake Lansing Northwest Basin; Meridian Township averages about 65°F at the surface in summer, usually warmest in Aug (about 68°F) and coldest in May (about 56°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 160 field readings (2022–2023) via the EPA Water Quality Portal. See the full Lake Lansing Northwest Basin; Meridian Township water temperature breakdown →
Location & Depth Map
Free interactive depth-contour map of Lake Lansing Northwest Basin; Meridian Township, reaching a maximum surveyed depth of 35 ft. Toggle Depth contours to overlay the bathymetric survey lines. Contour data from Michigan DNR.
County Ranking
Ranked #1 of 1 lakes in Ingham County
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Moderate nutrients, good water quality
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Jackson County · Clarity: 10 ft
Washtenaw County · Clarity: 12 ft
Washtenaw County · Clarity: 11.5 ft
Livingston County · Excellent
Livingston County · Clarity: 10 ft
Jackson County · Clarity: 11.8 ft
Mesotrophic Lakes in Michigan
More records, surveys & data sources
Reservoir Info (USACE NID)
Lake Lansing Northwest Basin; Meridian Township is a man-made reservoir impounded by the Lake Lansing Dam (completed 1975), built primarily for recreation on the Pine Lake Outlet; gravity-type dam, 7 ft tall and 93 ft long.
- Surface area
- 453 ac
- Normal storage
- 180 ac-ft
- Max storage
- 360 ac-ft
- Drainage area
- 3.7 sq mi
- Hazard class
- Low
- Owner
- Lake Lansing Property Owners
Source: USACE National Inventory of Dams, NID ID MI01957 · Operator website · Matched by proximity (0.48 km)
EPA Impairment Status
Lake Lansing Northwest Basin; Meridian Township 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 MI040500040504-02 · Official waterbody report · Matched by proximity (0.61 km)
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS). Mean depth is a modeled estimate.
Regulated Pollution Sources Nearby
6 EPA-permitted facilities operate within about 5 miles of Lake Lansing Northwest Basin; Meridian Township under Clean Water Act (NPDES) discharge permits. 4 facilities have a reported Clean Water Act violation in the past three years.
- Haslett Ps MS4-InghamHaslett · 1.4 mi away · NPDES MI0060253Recent violation
- Meridian Twp MS4-InghamOkemos · 2.5 mi away · NPDES MI0059774Recent violation
- Okemos Ps MS4-InghamOkemos · 3.9 mi away · NPDES MI0059955Recent violation
- Msu MS4-InghamLansing · 4.7 mi away · NPDES MI0059342Recent violation
- Meijer IncOkemos · 3.5 mi away · NPDES MIG080802
- Michigan State UniversityEast Lansing · 4.4 mi away · NPDES MIG610107
Facilities permitted to discharge under the Clean Water Act within ~5 miles; proximity does not by itself mean a facility affects this lake. Source: EPA ECHO (ICIS-NPDES), as of 2026-07.
Data Sources
Water quality data from the EPA Water Quality Portal
Impairment status from EPA ATTAINS 303(d) database
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Grading methodology based on Metropolitan Council standards
Public boat-access points from the USGS National Boat Ramps inventory
Most recent sample: 2023-09-18
Monitoring stations: 1