How Clean Is Lake Beulah?
Lake Beulah is among the cleanest lakes in Wisconsin. It received a water quality grade of — (Measured) based on EPA monitoring data. Water clarity (Secchi depth): 10 ft. Phosphorus: 13.4 µg/L. Chlorophyll-a (algae): 2.5 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Lake Beulah | Wisconsin avg |
|---|---|---|
| Overall Grade | — | — |
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 13.4 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 2.5 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does Lake Beulah compare?
Lake Beulah's grade of — matches or beats the Wisconsin state average of B. It ranks #2 of 19 lakes in Walworth County by water quality score. Multi-year monitoring data shows water quality is improving based on 6 years of records.
Watch Lake Beulah water quality
Get an email when the grade, clarity, or algae reading changes. Unsubscribe anytime.