Lake Beecher
Snohomish County, WashingtonView mapDirections
Not Rated: one monitoring station are on record, but they measured water clarity only. LakeQuality’s A–F method grades total phosphorus, total nitrogen, chlorophyll-a, and turbidity; clarity is shown, not scored.
- Impaired · Nutrients (phosphorus, nitrogen)
- Limited data
Lake Beecher in Snohomish County, Washington is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5.6 ft visibility.
- Clarity
- 5.6 ft
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Stays near Lake Beecher
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Watch Lake Beecher’s letter
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Why Lake Beecher has no grade
Lake Beecher has monitoring on record from one station, but only water clarity was measured. LakeQuality’s A–F letter uses total phosphorus, total nitrogen, chlorophyll-a, and turbidity against EPA National Lakes Assessment condition classes. With none of those grading measurements on record, Lake Beecher is Not Rated — not an F. Its 5.6-foot median from 1 readings collected 2013 is still shown as clarity, but clarity alone cannot earn a letter.
Not Rated is EPA Integrated Reporting Category 3 — insufficient information. Everything below that has been measured is still reported on this page.
Sampling is run by WA Ecology and volunteer programs, and published through the EPA Water Quality Portal. Read the full grading methodology.
Lake Beecher is a lake in Snohomish County, Washington.
Source: EPA Water Quality Portal sampling records, WA Ecology, last sampled 2013-07-14. Grade methodology: LakeQuality methodology.
Swimming Safety
Not ratedLimited data
The letter is not a swimming clearance. Lake Beecher is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Water quality measurements for Lake Beecher
These readings exist but are not enough for an A–F grade — see why.
Murky, only visible to about 5.6 ft. TSI 52.
| Metric | Value | Grade |
|---|---|---|
| Water Clarity (Secchi Depth) | 5.6 ft | Not graded |
| Phosphorus | No recent samples | |
| Chlorophyll-a (Algae) | No recent samples | |
| Trophic State Index (TSI) | 52 | Eutrophic |
High nutrients, frequent algae, reduced clarity
Fishing Lake Beecher
EPA Impairment Status
Lake Beecher is officially listed as impaired under Clean Water Act §303(d) in the 2018 EPA reporting cycle (IR category 5).
Causes of impairment
Source: EPA ATTAINS assessment unit WA17110011000479_001_001 · Official waterbody report
Graded lakes near Lake Beecher
Lake Beecher has no grade, but these lakes within a short drive do.
Nearby Lakes in Snohomish County
Frequently asked questions about Lake Beecher
Where is Lake Beecher?
- Lake Beecher is a lake in Snohomish County, Washington. LakeQuality has not rated this lake (UNRATED) — no nutrient or algae measurement meets the evidence bar (at least 3 samples within 10 years).
What is the water quality grade for Lake Beecher?
- Lake Beecher in Snohomish County, Washington is not rated for water quality — its monitoring record does not meet the evidence bar. Water clarity: 5.6 ft visibility.
Is Lake Beecher safe to swim in?
- The letter is not a swimming clearance. Lake Beecher is listed impaired under Clean Water Act §303(d) (IR 5) for nutrients (phosphorus, nitrogen). Check local advisories before you swim.
Explore Lake Beecher across LakeQuality
4 documented falls within 24 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)
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