How Clean Is Your River? Check Swim Guide

Before you head out onto the water, don’t forget to check theswimguide.org. MountainTrue’s four Riverkeepers post up-to-date water monitoring results for the Broad, French Broad, Green and Watauga rivers just in time for the weekends. The Swim Guide is the public’s best resource for knowing which streams and river recreation areas are safe to swim in, and which have failed to meet safe water quality standards for bacteria pollution.

Check out the Swim Guide.

“Right before jumping into the river, the number one question people ask us is ‘Is it clean?’” says French Broad Riverkeeper Hartwell Carson. “Swim Guide is the answer to that question.” Each week throughout the spring, summer and fall, the volunteers for each of MounainTrue’s four Riverkeeper programs collect samples from their rivers’ most popular streams and recreation areas every Wednesday. By Friday afternoon, those samples are analyzed for levels of E. coli and the data is posted to theswimguide.org.

“We get the results to the public as quickly as possible because we want Swim Guide to be up-to-date in time for the weekend,” says Green Riverkeeper Gray Jernigan.

“E. coli bacteria makes its way into our rivers and streams from sewer leaks, failing septic tanks and stormwater runoff. One of the biggest culprits is runoff from animal agricultural operations with substandard riparian buffers,” explains Broad Riverkeeper David Caldwell. In general, waterways that are located in more remote areas or protected public lands that lack agricultural, developmental or industrial pollution sources are the cleanest and least affected by stormwater runoff. Areas closer to development and polluting agricultural practices are much more heavily impacted.

Heavy rains and storms often result in spikes in E. coli contamination, increasing the risk to human health. “As it rains and the river becomes muddier, levels of bacteria pollution generally get worse,” Watauga Riverkeeper Andy explains. “But when the water is clear, it’s a great opportunity to get out for a swim in the river without worry.”


Western North Carolina is blessed with more than 1.5 million acres of public land, including Nantahala-Pisgah National Forest, Great Smoky Mountains National Park, the Blue Ridge Parkway and several state-owned parks, forests and natural areas. These public lands support the headwaters of our rivers, beautiful mountain vistas, one of the most diverse temperate forests on the planet, and a thriving economy in tourism, crafts and recreation.
During its 30-year history, WNCA (now MountainTrue) has twice prevented logging in the Asheville Watershed, first in 1990 and again in 2004. Eventually the City of Asheville placed a conservation easement over 17,356 acres of the watershed.