How Clean Is Lake Tschida?
Lake Tschida has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 4.6 ft. Phosphorus: 33 µg/L. Chlorophyll-a (algae): 10.3 µg/L. Trophic State Index: 54.
Cleanliness Snapshot
| Metric | Lake Tschida | North Dakota avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 4.6 ft | — |
| Phosphorus | 33 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 10.3 µg/L | <10 = clean |
| Trophic State Index | 54 | <50 = clean |
How does Lake Tschida compare?
Lake Tschida's grade of C matches or beats the North Dakota state average of C. It ranks #1 of 4 lakes in Grant County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.
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