How Clean Is Trenton Lake?
Trenton Lake 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): 1.5 ft. Chlorophyll-a (algae): 4.2 µg/L. Trophic State Index: 58.
Cleanliness Snapshot
| Metric | Trenton Lake | North Dakota avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 1.5 ft | — |
| Chlorophyll-a (Algae) | 4.2 µg/L | <10 = clean |
| Trophic State Index | 58 | <50 = clean |
How does Trenton Lake compare?
Trenton Lake's grade of C matches or beats the North Dakota state average of C. It ranks #5 of 9 lakes in Williams County by water quality score.