How Clean Is North Bethany City Reservoir?
North Bethany City Reservoir is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 10.5 ft. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 6.9 µg/L. Trophic State Index: 44.
Cleanliness Snapshot
| Metric | North Bethany City Reservoir | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 10.5 ft | — |
| Phosphorus | 11 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 6.9 µg/L | <10 = clean |
| Trophic State Index | 44 | <50 = clean |
How does North Bethany City Reservoir compare?
North Bethany City Reservoir's grade of B matches or beats the Wisconsin state average of C. It ranks #1 of 3 lakes in Harrison County by water quality score.