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LakeQuality

Lake George

Steuben County, Indiana538 acresView mapDirections

IDEM publishes the water-quality measurements for Lake George. Here is what has been measured.

Clarity
14.5 ft
Clearer than most
Secchi · sampled 2024
Phosphorus
22 µg/L
Less phosphorus than most
Measured by IDEM
Chlorophyll-a
2 µg/L
Less algae than most
Measured by IDEM
Water temp
~81°F
Typical for Aug · EPA WQP
Max depth
~42 ft est.
GLOBathy model
Area
538 acres
Surface area
  • Oligotrophic
  • 42 ft max depth
  • Public access

Lake George in Steuben County, Indiana has water-quality measurements published by IDEM, shown here as reported. Water clarity: 14.5 ft visibility. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 2 µg/L. Surface area: 537.95 acres.

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Lake George is a 538-acre cold, clear oligotrophic lake in Steuben County, Indiana with an estimated average depth of about 42 feet. Overall water quality is declining over recent sampling years. Limited fish-species data available. Public access is available.

Source: EPA Water Quality Portal sampling records, IDEM, last sampled 2024-09-17. Methodology: how these readings are compared.

Lake George covers about 540 acres in Steuben County. For a place on the water, look through cabin and lake-house rentals near Lake George on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.

What Lake George is good for

From access and monitoring records, not editorial picks.

  • Clear water14.5 ft of visibility

Swimming conditions

Readings only

Low algae

Based on clarity and algae readings from past sampling — there is no live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Whether Lake George is safe to swim in today is a call for the Indiana Department of Environmental Management and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.

Compare swimming lakes near Fort Wayne →

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Water quality measurements for Lake George

These are the measurements IDEM publishes for Lake George, 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 14.5 ft. Phosphorus 22 µg/L. Chlorophyll-a 2 µg/L. TSI 39.

Water quality readings
MeasureReadingWhere it sits
Water clarity (Secchi depth)14.5ftMeasured, not scored

How deep a black-and-white disk stays visible from the surface. Higher is clearer.

Total phosphorus22µg/LGood
GoodFairPoor
Chlorophyll-a (algae)2µg/LGood
GoodFairPoor
Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a.39Oligotrophic
OligotrophicMesotrophicEutrophicHypereutrophic

Low nutrients, clear water. No reading is a swimming clearance.

Ask about Lake George

Answers come straight from the public measurements and survey records on this page.

Water Temperature

Lake George typically sits around 81°F at the surface in August. Summer average is about 81°F. Usually warmest in Jul (about 85°F) and coldest in Jun (about 76°F). These are typical values by month — not a live reading.

Jan
Feb
Mar
Apr
May
76°
Jun
85°
Jul
81°
Aug
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (76°F) to its warmest (85°F).

Typical surface water temperature by month, from 8 field readings (2012–2018) via the EPA Water Quality Portal. See the full Lake George water temperature breakdown →

Lake Details

Max depth

~42 ft est.

Surface area

538 acres

Public access

Yes

Listed by IDEM

Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Indiana has not published bathymetry for Lake George.

Lake Size & Watershed

Watershed (drainage) area

17 sq mi

HydroLAKES / HydroSHEDS

Shoreline

4.7 mi

HydroLAKES / HydroSHEDS

Elevation

968 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.

Stays via Stay22

Stays near Lake George

Compare lakeside cabins, hotels, and vacation rentals near Lake George in Steuben County, Indiana — 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 Lake George

Prices for Oct 23–25, 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 trip? Cabins and lodging at Lake George → · more Indiana lake trips

Follow Lake George’s readings

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Fishing Lake George

Based on 5 years of monitoring (2020–2024).

  • Water clarity

    Worsening

    5 years

  • Phosphorus

    Worsening

    +6.3 µg/L/yr5 years

  • Chlorophyll-a

    Worsening

    +0.3 µg/L/yr5 years

See year-by-year chart →

Reservoir Info (USACE NID)

Lake George is a man-made reservoir impounded by the Lake George Dam (completed 1927), built primarily for recreation on the CROOKED CREEK; earth-type dam, 15 ft tall and 405 ft long.

Surface area
537.95 ac
Normal storage
11,100 ac-ft
Max storage
12,200 ac-ft
Drainage area
14.7 sq mi
Hazard class
High
Owner
LAKE GEORGE COTTAGERS ASSOCIATION

Source: USACE National Inventory of Dams, NID ID IN00798 · Operator website

Regulated Pollution Sources Nearby

8 EPA-permitted facilities operate within about 5 miles of Lake George under Clean Water Act (NPDES) discharge permits. 2 facilities have a reported Clean Water Act violation in the past three years.

  • Angola Travelers Mall
    Angola · 1.2 mi away · NPDES IN0032891
    Recent violation
  • Xpo Logistics Freight Inc. - Xcw
    Fremont · 1.3 mi away · NPDES INRM01163
    Recent violation
  • Consolidated Freightways
    Fremont · 1.1 mi away · NPDES IN0048461
  • Petro 2 Travel Plaza
    Fremont · 1.1 mi away · NPDES ING080264
  • Con-Way Freight
    Fremont · 1.3 mi away · NPDES IN0062634
  • Fremont Fedex Freight Expansion
    Fremont · 1.4 mi away · NPDES INR10K663

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.

Nearby Lakes in Steuben County

Frequently asked questions about Lake George

Where is Lake George?

Lake George is a lake in Steuben County, Indiana. Its water-quality measurements are published by IDEM and shown on this page as reported.

What is the water quality of Lake George?

Lake George in Steuben County, Indiana has water-quality measurements published by IDEM, shown here as reported. Water clarity: 14.5 ft visibility. Phosphorus: 22 µg/L. Chlorophyll-a (algae): 2 µg/L. Surface area: 537.95 acres.

Measurements on this page ↑

Is Lake George safe to swim in?

Nutrient and algae readings are not a swimming clearance. Check local advisories before you swim.

Swimming on this page ↑

What is the water temperature of Lake George?

Lake George typically sits around 81°F at the surface in August, from 8 EPA Water Quality Portal field readings (2012–2018). That is a typical value for the month, not a live reading.

Temp on this page ↑

How deep is Lake George?

No published bathymetric survey covers Lake George, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 42 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 537.95 acres.

Can I fish at Lake George?

Public access to Lake George is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Indiana's fish and wildlife agency, so check its current regulations before you go.

Oligotrophic Lakes in Indiana

Where this data comes from

1 measurement from 1 monitoring station, 2020. Retrieved from the EPA Water Quality Portal on 2026-08-02.

Collected and reported by

  • North American Lake Management SocietyNALMS1 sample · 2020
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

Regulated discharger data from EPA ECHO (ICIS-NPDES)

Lake size & watershed from HydroLAKES (HydroSHEDS)