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LakeQuality

Cleaner Lakes Than Templene Lake Central Basin; Sherman Township

2 higher-graded lakes within 30 miles, ranked by grade improvement and proximity.

Templene Lake Central Basin; Sherman Township carries a Grade C (Fair) water quality score. Within 30 miles, 2 lakes hold a higher grade. Klinger Lake Central Basin; White Pigeon Township Section 1 (St. Joseph County, Grade A, 7.5 mi away) is the closest meaningful upgrade.

How this list is built

Every lake on LakeQuality has a calculated grade from EPA Water Quality Portal samples — secchi depth, total phosphorus, and chlorophyll-a measured against Metropolitan Council thresholds. To suggest cleaner alternatives, we filter lakes within 30 miles to those with a strictly higher numeric score, then rank by grade improvement with a small proximity tiebreak. Cross-state and limited-data lakes are excluded so the list stays locally relevant.