How Clean Is Port Perry Lake North Arm?
Port Perry Lake North Arm 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): 7.4 ft. Phosphorus: 9.5 µg/L. Chlorophyll-a (algae): 2.9 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Port Perry Lake North Arm | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 7.4 ft | — |
| Phosphorus | 9.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 2.9 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does Port Perry Lake North Arm compare?
Port Perry Lake North Arm's grade of B matches or beats the Wisconsin state average of C. It ranks #2 of 3 lakes in Perry County by water quality score.