Iowa /
Big Blue Pond
Lake in Iowa · 15 acres · near Mason City

Big Blue Pond is a 15-acre lake near Mason City in Iowa, with 1 public boat ramp listed here.
Zebra mussels
Zebra mussels (latest report 2016) reported in this water (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · checked October 20, 2026
Boat launches on Big Blue Pond
- Big Blue Pond Boat Launch · Boat ramp · near Mason City