Lake Roesiger
Snohomish County, WashingtonView mapDirections
Washington Ecology publishes the water-quality measurements for Lake Roesiger. Here is what has been measured.
- Impaired · Nuisance exotic species
- 55 ft max depth
- Public access
- Limited data
Lake Roesiger in Snohomish County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Water clarity: 17.1 ft visibility.
Lake Roesiger is a lake in Snohomish County, Washington with an estimated average depth of about 55 feet. Limited fish-species data available. Public access is available.
Source: EPA Water Quality Portal sampling records, WA Ecology, last sampled 2013-07-13. Methodology: how these readings are compared.
For a place on the water, look through cabin and lake-house rentals near Lake Roesiger on Vrbo. For a hotel or motel room, Booking.com and Expedia both search around the lake.
What Lake Roesiger is good for
From access and monitoring records, not editorial picks.
- Clear water17.1 ft of visibility
Swimming conditions
No readingLimited data
Nutrient and algae readings are not a swimming clearance. Lake Roesiger is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
Whether Lake Roesiger is safe to swim in today is a call for the Washington State Department of Ecology and the county health department, who post current advisories. LakeQuality does not issue swimming clearances.
Water quality measurements for Lake Roesiger
These are the measurements Washington Ecology publishes for Lake Roesiger, shown as reported. The condition class beside each reading is the EPA National Lakes Assessment class for this lake’s ecoregion.
Crystal clear, you can see 17.1 ft down. TSI 36.
| Measure | Reading | Where it sits |
|---|---|---|
| Water clarity (Secchi depth) | 17.1ft | Measured, not scored How deep a black-and-white disk stays visible from the surface. Higher is clearer. |
| Total phosphorus | No reading The nutrient that most limits algae growth in freshwater. More phosphorus, more algae potential. | |
| Chlorophyll-a (algae) | No reading The green pigment in algae — a direct measure of how much algae is in the water. | |
| Trophic state (TSI)Carlson's 0–100 index of how much algae a lake can support, from clarity, phosphorus and chlorophyll-a. | 36 | Oligotrophic OligotrophicMesotrophicEutrophicHypereutrophic |
Low nutrients, clear water. No reading is a swimming clearance.
Ask about Lake Roesiger
Answers come straight from the public measurements and survey records on this page.
Lake Details
Max depth
~55 ft est.
Public access
Yes
Listed by Washington Ecology
Depth marked “est.” is a modeled maximum from GLOBathy (Khazaei et al. 2022, CC0), not a measured survey. Washington has not published bathymetry for Lake Roesiger.
Lake Size & Watershed
Watershed (drainage) area
3 sq mi
HydroLAKES / HydroSHEDS
Surface area
301 acres
HydroLAKES / HydroSHEDS
Shoreline
5.7 mi
HydroLAKES / HydroSHEDS
Elevation
584 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.
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Stays near Lake Roesiger
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Top-rated places to stay near Lake Roesiger
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Fishing Lake Roesiger
EPA Impairment Status
Lake Roesiger is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 4C).
Causes of impairment
Designated uses not supporting: Aquatic life.
Source: EPA ATTAINS assessment unit WA17110009000948_001_001 · Official waterbody report
Nearby Lakes in Snohomish County
Frequently asked questions about Lake Roesiger
Where is Lake Roesiger?
- Lake Roesiger is a lake in Snohomish County, Washington. Its water-quality measurements are published by Washington Ecology and shown on this page as reported.
What is the water quality of Lake Roesiger?
- Lake Roesiger in Snohomish County, Washington has water-quality measurements published by Washington Ecology, shown here as reported. Water clarity: 17.1 ft visibility.
Is Lake Roesiger safe to swim in?
- Nutrient and algae readings are not a swimming clearance. Lake Roesiger is listed impaired under Clean Water Act §303(d) (IR 4C) for nuisance exotic species. Check local advisories before you swim.
How deep is Lake Roesiger?
- No published bathymetric survey covers Lake Roesiger, so its depth has not been measured. The HydroLAKES global model estimates an average depth of about 55 feet, but that is a modelled estimate derived from surrounding terrain rather than a measurement on the water, so treat it as approximate.
Can I fish at Lake Roesiger?
- Public access to Lake Roesiger is listed as yes on the lake record. Seasons, size and bag limits, and whether you need a license are set by Washington's fish and wildlife agency, so check its current regulations before you go.
Explore Lake Roesiger across LakeQuality
4 documented falls within 21.3 mi, nearest Wallace Falls (Middle Falls)
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Where this data comes from
1 measurement from 1 monitoring station, 2013. Retrieved from the EPA Water Quality Portal on 2026-08-02.
Collected and reported by
- North American Lake Management Society
NALMS1 sample · 2013
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
Impairment status from EPA ATTAINS 303(d) database
Lake size & watershed from HydroLAKES (HydroSHEDS)