Invasive aquatic plants are spreading faster than ever across California's waterways. Here are the five most damaging species — and how to stop them.

Mechanical weed harvesting removes aquatic vegetation completely — no chemicals, no water use restrictions, immediate results. Here's exactly how it works and what it costs.

Water hyacinth is one of the world's most aggressive aquatic weeds and California has been fighting it for over a century. Here's what you need to know before attempting removal.

Chemical treatments aren't always the right answer. Here are the most effective non-chemical approaches to algae control in California lakes and ponds.

Good news for Albany residents and visitors — Waverly Lake is ready for another summer of fun. Recent testing shows the water meets safety standards, clearing the way for fishing, paddle boating, and lakeside picnics. City crews have prepared the area for visitors, ensuring the lake remains a welcoming spot for outdoor recreation all season long.