Rebecca Lake
Rebecca Lake in Hennepin County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 4.7 ft visibility. Phosphorus: 47.4 µg/L. Chlorophyll-a (algae): 15.5 µg/L. Maximum depth: 30 ft. Surface area: 263.28 acres.
- Clarity
- 4.7 ft
- Typical in August
- 69°F
- Max depth
- 30 ft
- Area
- 263 acres
- Type
- Eutrophic
- Trend
- ↑ Improving
- Public access
- Yes
Grade D measures nutrients and algae, not whether this is a good place for a cabin trip. Cabins and rentals near Rebecca Lake →
Next lake in Hennepin County
Rebecca Lake is a 263-acre productive, nutrient-rich eutrophic lake in Hennepin County, Minnesota with a maximum depth of 30 feet. Water quality is graded D based on 3 sampling years through 2024. Overall water quality is improving over recent sampling years. The lake supports 11 documented fish species including black bullhead, black crappie, and bluegill. Public access is available with 1 public boat landing. Compared to the 80 other monitored lakes in Hennepin County, Rebecca Lake ranks #38 for water quality.
Source: EPA Water Quality Portal sampling records, Minnesota DNR LakeFinder, last sampled 2024-10-08. Grade methodology: LakeGrade methodology.
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Swimming Safety
Grade onlyAlgae risk
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.
Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum
Water Quality Grade: D (Nutrient-rich)
Murky, only visible to about 4.7 ft. Phosphorus level: 47.4 µg/L. Chlorophyll-a: 15.5 µg/L. Trophic State Index: 57.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 4.7 ft | Not graded |
| Phosphorus | 47.4 µg/L | Poor |
| Chlorophyll-a (Algae) | 15.5 µg/L | Poor |
| Trophic State Index (TSI) | 57 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Where to stay near Rebecca Lake
Compare lakeside cabins, hotels, and vacation rentals near Rebecca Lake in Hennepin 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. The water-quality grade measures nutrients and algae, not lodging — cabins and rentals around Rebecca Lake are listed below.
Top-rated places to stay near Rebecca Lake
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 whole trip? See where to stay at Minnesota’s top lakes →
Water Temperature
Rebecca Lake typically sits around 69°F at the surface in August. Summer average is about 66°F. Usually warmest in Aug (about 69°F) and coldest in Feb (about 36°F). These are typical values by month — not a live reading.
Typical surface water temperature by month, from 1,118 field readings (2010–2024) via the EPA Water Quality Portal. See the full Rebecca Lake water temperature breakdown →
Lake Details
| Characteristic | Value |
|---|---|
| Maximum Depth | 30 ft |
| Surface Area | 263 acres |
| Shoreline Length | 3.1 mi |
| Littoral Zone | 52% |
| Public Access | Yes |
Lake Size & Watershed
Size, shoreline, and watershed area from HydroLAKES (HydroSHEDS).
Recreation & Access
- Lake RebeccaPublic
Fish Species
Click a species to see every graded lake where it is documented.
Fishing Rebecca Lake
Invasive & Introduced Species
Red chips are ecologically harmful invasive species. Gray chips are stocked or introduced fish that aren't a current ecological concern.
DNR Fisheries Survey Summary
14 surveys on file from MN DNR Fisheries. Most recent: 2021-06-01 (Standard Survey).
Top Species by Catch Rate
| Species | Avg CPUE | Avg Weight |
|---|---|---|
| Bluegill | 99.55 | 0.25 lb |
| Black Bullhead | 73.77 | 0.63 lb |
| Black Crappie | 24.68 | 0.15 lb |
| Pumpkinseed | 9.52 | 0.13 lb |
| Largemouth Bass | 9.10 | 0.49 lb |
| Walleye | 6.84 | 1.32 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.
Bluegill
Black Bullhead
Black Crappie
Pumpkinseed
From the 2021-06-01 survey
Rebecca is a 263-acre lake with a maximum depth of 30 feet. The lake is located south of Rockford in western Hennepin County. It is entirely within the Lake Rebecca Park Reserve, operated by the Three Rivers Park District. The lake is primarily managed for Muskellunge and secondarily managed for Bluegill and…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Rebecca Lake. 3 reports on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — RebeccaFisheries Lake Survey · MN DNR LakeFinder
- —Fish Stocking History — RebeccaFish Stocking History · MN DNR LakeFinder
- —Public Water Access Sites — RebeccaPublic Water Access Sites · MN DNR LakeFinder
Water Quality Trend: ↑ Improving
Based on 5 years of monitoring data (2020-2025).
| Metric | Trend | Change/Year | Years |
|---|---|---|---|
| Water Clarity | ↑ Improving | +0.216 m/yr | 5 |
| Phosphorus | ↓ Declining | +5.94 µg/L/yr | 4 |
| Chlorophyll-a | ↑ Improving | -1.78 µg/L/yr | 4 |
EPA Impairment Status
Rebecca 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 MN27-0192-00 · Official waterbody report
Regulated Pollution Sources Nearby
3 EPA-permitted facilities operate within about 5 miles of Rebecca Lake under Clean Water Act (NPDES) discharge permits, including 1 classified by the EPA as major discharger. 3 facilities have a reported Clean Water Act violation in the past three years.
- Delano WwtpDelano · 2.3 mi away · NPDES MN0051250MajorRecent violation
- Greenfield WwtpGreenfield · 1.2 mi away · NPDES MN0063762Recent violation
- Rockford WwtpRockford · 2.1 mi away · NPDES MN0024627Recent violation
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.
County Ranking
Ranked #38 of 81 lakes in Hennepin County
Nearby Lakes With Higher Grades
Rebecca Lake holds Grade D. One nearby lake has a higher nutrient-and-algae grade — useful for a swim day, not a reason to skip lodging here.
See full comparison →Nearby Lakes in Hennepin County
Frequently asked questions about Rebecca Lake
What is the water quality grade for Rebecca Lake?
- Rebecca Lake in Hennepin County, Minnesota has a water quality grade of D (Nutrient-rich). Water clarity: 4.7 ft visibility. Phosphorus: 47.4 µg/L. Chlorophyll-a (algae): 15.5 µg/L. Maximum depth: 30 ft. Surface area: 263.28 acres.
Is Rebecca Lake safe to swim in?
- Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Rebecca Lake has a water quality grade of D (Nutrient-rich). Algae concentration (chlorophyll-a) is 15.5 µg/L. Always check local health department advisories before swimming.
What is the water temperature of Rebecca Lake?
- Rebecca Lake typically sits around 69°F at the surface in August, from 1,118 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
How deep is Rebecca Lake?
- Rebecca Lake has a maximum depth of 30 feet. The lake covers 263.28 acres.
What fish are in Rebecca Lake?
- Fish species found in Rebecca Lake include black bullhead, black crappie, bluegill, common carp, green sunfish, hybrid sunfish, largemouth bass, muskellunge, northern pike, pumpkinseed, yellow perch. Rebecca Lake is located in Hennepin County, Minnesota.
Are there boat ramps on Rebecca Lake?
- Rebecca Lake has 1 documented boat landing in the USGS National Boat Ramps inventory. Named access points include Lake Rebecca. Public access is listed as yes.
Explore Rebecca Lake across LakeGrade
Depth, room, public access, and the state wake-sport rules
Fish species and top-graded lakes across Minnesota
Fish species and best lakes in Hennepin County
Species activity outlook by water temperature and season
Where to stay at Minnesota's top lakes, each with its grade
Lakes in the Crow River Watershed, ranked by water quality
High nutrients, frequent algae, reduced clarity
Minnesota's cleanest and most-polluted lakes, ranked
More Minnesota Lake Rankings
State Parks Near Rebecca Lake
Other Grade D Lakes in Minnesota
Eutrophic Lakes in Minnesota
Where this data comes from
306 measurements from 1 monitoring station, 2020–2024. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- Minnesota Pollution Control Agency - Ambient Surface Water
MNPCA306 samples · 2020–2024
Analytical methods
- Field measurement/observation, generic method
- Phosphorus by Two Reagent Colorimetry
- 10200 H ~ Chlorophyll a-b-c Determination
- 4500 N C ~ Persufate Method for Total Nitrogen
Monitoring station identifiers (1)
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
Regulated discharger data from EPA ECHO (ICIS-NPDES)
Lake size & watershed from HydroLAKES (HydroSHEDS)
Lake details from Minnesota DNR LakeFinder
Named boat-access points from the USGS National Boat Ramps inventory