Allie Lake
Allie Lake in Renville County, Minnesota has a water quality grade of C (Fair). Water clarity: 3 ft visibility. Phosphorus: 214 µg/L. Chlorophyll-a (algae): 13.8 µg/L. Maximum depth: 12 ft. Surface area: 509.13 acres.
- Clarity
- 3 ft
- Typical in August
- 73°F
- Max depth
- 12 ft
- Area
- 509 acres
- Type
- Eutrophic
- Trend
- → Stable
- Public access
- Yes
- Ice-out
- Mar 31
- Open water
- 247 days
Next lake in Renville County
Allie Lake is a 509-acre productive, nutrient-rich eutrophic lake in Renville County, Minnesota with a maximum depth of 12 feet (8-foot average). Water quality is graded C based on 2 sampling years through 2025. Water clarity is improving over recent sampling years. The lake supports 13 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 1 public boat landing. Compared to the 1 other monitored lakes in Renville County, Allie Lake ranks #1 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2025-09-28. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyModerate
Based on clarity and algae grades from past sampling — we do not hold live water temperature and a current cyanobacteria reading for this lake. Check your state or county health department before you swim.
Generally safe for swimming, moderate water quality
Water Quality Grade: C (Fair)
Very murky, less than 3 ft of visibility. Phosphorus level: 214 µg/L. Chlorophyll-a: 13.8 µg/L. Trophic State Index: 66.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 3 ft | Not graded |
| Phosphorus | 214 µg/L | Poor |
| Chlorophyll-a (Algae) | 13.8 µg/L | Good |
| Trophic State Index (TSI) | 66 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Allie Lake
Compare lakeside cabins, hotels, and vacation rentals near Allie Lake in Renville County, Minnesota — 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.
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Water Temperature
Allie Lake typically sits around 73°F at the surface in August. Summer average is about 73°F. Usually warmest in Jul (about 76°F) and coldest in May (about 60°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 48 field readings (2022–2025) via the EPA Water Quality Portal. See the full Allie Lake water temperature breakdown →
Blue-Green Algae (Cyanobacteria)
There’s no recent EPA CyAN cyanobacteria estimate for Allie Lake — clouds, ice, or an off-season gap in coverage. The most recent reading was moderate (41,305 cells/mL) on July 18, 2026.
Blue-green algae can appear and clear within days, so check your state’s current advisory before swimming. EPA CyAN ↗
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 12 ft |
| Average Depth | 8 ft |
| Surface Area | 509 acres |
| Shoreline Length | 4.6 mi |
| Littoral Zone | 100% |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Allie LakePublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Allie Lake
DNR Fisheries Survey Summary
13 surveys on file from MN DNR Fisheries. Most recent: 2025-06-30 (Targeted Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| White Crappie | 143.69 | 0.28 lb |
| Black Bullhead | 94.79 | 0.38 lb |
| Bluegill | 51.16 | 0.2 lb |
| Yellow Perch | 20.30 | 0.21 lb |
| Black Crappie | 19.72 | 0.24 lb |
| Common Carp | 5.29 | 4.17 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE = more abundant in standardized sampling.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
White Crappie
Black Bullhead
Bluegill
Yellow Perch
From the 2025-06-30 survey
Allie is a moderate-sized lake (509 acres) located northeast of the Town of Buffalo Lake in Renville County. A state-owned access with gravel parking and a single cement boat ramp is present in the southeast bay. A private access (open to public use) with limited parking is present on the lake's north shore. There is…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Allie Lake. 3 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — AllieFisheries Lake Survey · MN DNR LakeFinder
- —Fish Stocking History — AllieFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — AlliePublic Water Access Sites · MN DNR LakeFinder
Water Quality Trend: → Stable
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.144 m/yr | 5 |
| Phosphorus | → Stable | +0.35 µg/L/yr | 5 |
| Chlorophyll-a | ↓ Declining | +1.77 µg/L/yr | 4 |
Ice Season
Historical ice data from Minnesota DNR (20 observations).
Estimated open water season: 247 days
| Earliest | Latest | |
|---|---|---|
| Ice-Out | 2021-03-06 (2021) | 2013-04-29 (2013) |
| Ice-In | 2008-11-21 (2008) | 2017-12-19 (2017) |
Most recent ice-out: 2022-04-10
EPA Impairment Status
Allie Lake is officially listed as impaired under Clean Water Act §303(d) in the 2024 EPA reporting cycle (IR category 4A).
Causes of impairment
A Total Maximum Daily Load (TMDL) plan has been approved.
Source: EPA ATTAINS assessment unit MN65-0002-00 · Official waterbody report · Matched by proximity (2.6 km)
County Ranking
Ranked #1 of 2 lakes in Renville County
Nearby Lakes in Renville County
Frequently asked questions about Allie Lake
What is the water quality grade for Allie Lake?
- Allie Lake in Renville County, Minnesota has a water quality grade of C (Fair). Water clarity: 3 ft visibility. Phosphorus: 214 µg/L. Chlorophyll-a (algae): 13.8 µg/L. Maximum depth: 12 ft. Surface area: 509.13 acres.
Is Allie Lake safe to swim in?
- Generally safe for swimming, moderate water quality. Allie Lake has a water quality grade of C (Fair). Algae concentration (chlorophyll-a) is 13.8 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Allie Lake?
- Allie Lake typically sits around 73°F at the surface in August, from 48 EPA Water Quality Portal field readings (2022–2025). That is a typical value for the month, not a live reading.
How deep is Allie Lake?
- Allie Lake has a maximum depth of 12 feet and an average depth of 8 feet. The lake covers 509.13 acres.
What fish are in Allie Lake?
- Fish species found in Allie Lake include black bullhead, black crappie, bluegill, channel catfish, common carp, green sunfish, hybrid sunfish, northern pike, orangespotted sunfish, shovelnose sturgeon, walleye, white sucker, yellow perch. Allie Lake is located in Renville County, Minnesota.
When does Allie Lake thaw?
- Allie Lake typically has ice-out around Mar 31. Ice typically forms around Dec 3. The open water season is approximately 247 days.
Does Allie Lake have blue-green algae?
- There is no recent EPA CyAN cyanobacteria estimate for Allie Lake (clouds, ice, or an off-season gap). The most recent reading was moderate (41,305 cells/mL). Blue-green algae can appear and clear within days, so check Minnesota's current advisory before swimming.
Are there boat ramps on Allie Lake?
- Allie Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Allie Lake. Public access is listed as yes.
Explore Allie Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
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Fish species and best lakes in Renville County
Species activity outlook by water temperature and season
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High nutrients, frequent algae, reduced clarity
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Where this data comes from
127 measurements from 2 monitoring stations, 2020–2025. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA127 samples · 2020–2025
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
Monitoring station identifiers (2)
Grade thresholds from the EPA National Lakes Assessment (EPA 841-R-24-006, Table 6-3), applied by ecoregion. See how grades are calculated and data sources.
Other records on this page
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory
Ice data from Minnesota DNR Climate