What a River Cleanup Actually Pulls Out: The Anatomy of Waterway Litter

If you have never joined a river or shoreline cleanup, you might picture a dramatic haul — tires, appliances, shopping carts. Those turn up, but they are not what defines the pile. The vast majority of what volunteers pull from waterways is small, light, and made of plastic: beverage bottles, bottle caps, cigarette filters, food wrappers, and foam fragments. The Ocean Conservancy’s International Coastal Cleanup — the largest single-day beach and waterway cleanup in the world, held each September since 1986 — documents what gets collected, and the list barely changes from year to year. In the most recent ICC report, volunteers collected more than 1.3 million plastic beverage bottles and nearly 886,000 plastic caps worldwide in a single day. That is not a dramatic anomaly. It is the baseline.

The short list that keeps repeating

NOAA’s Marine Debris Program and the Ocean Conservancy both track litter composition, and the top items overlap almost perfectly. Plastic beverage bottles and bottle caps consistently rank among the most collected items globally. Cigarette filters — which are plastic, not cotton — are perennially among the most common pieces of litter found on coastlines and along waterways. Food wrappers, plastic bags, and foam fragments round out the rest. What makes the list so stable is that these items share two traits: they are lightweight enough for wind and stormwater to carry them from streets and parking lots into drains and ditches, and they are durable enough to survive the trip downstream without disintegrating. A plastic bottle cap that falls in a parking lot a mile from the nearest creek can reach a river within a single rainstorm — carried by sheet runoff into a storm drain, through a pipe that empties directly into the nearest waterway.

Why the pathway matters more than the item

The EPA identifies nonpoint-source pollution — the diffuse runoff that carries pollutants overland during rain and snowmelt — as the leading remaining cause of water quality problems in the United States. More river miles and lake acres are impaired by this kind of overland runoff than by industrial facilities or municipal sewage plants. That is the critical insight for understanding waterway litter: most of it does not get thrown directly into the river. It starts on land — a bottle on a curb, a wrapper in a parking lot, a cigarette butt on a sidewalk — and reaches the water through storm-drain infrastructure that was never designed to filter solids. In many municipalities, storm drains are separate from sanitary sewers and discharge directly into streams and rivers with no treatment at all.

What cleanup data tells us about where to intervene

When the same small set of items dominates every cleanup, the response is not just to pick up more of them. It is to work upstream — literally. Intercepting litter at the street level, before it enters a storm drain, removes it from the pathway at the point of lowest effort. That is the logic behind adopting a specific waterway rather than organizing one-off cleanups: a recurring commitment to a defined stretch means the same volunteers learn where litter accumulates, where drains discharge, and where maintenance makes the biggest difference. A single event removes a pile; a sustained adoption removes the source pattern.

Where NuRich works on this

NuRich funds the River Project with at least one percent of every sale — a commitment to adopt and clean rivers, beginning with the Mulberry River in Winder, Georgia. The Mulberry is a roughly 28-mile tributary of the Middle Oconee, which means work on it protects downstream water quality for the communities that draw from the same watershed. NuRich is also working toward a long-term mission to build a purified-water facility, because cleanup and access are two sides of the same problem. Every reusable bottle that replaces a single-use one is one fewer item in the next cleanup haul. The NuRich 32 oz Insulated Water Bottle ($29.99) and the NuRich 18 oz — The Original ($14.99) are built to last years, not one afternoon. Browse the full lineup at the NuRich collection.

Transparency note: cleanup and pollution statistics cited in this article are published figures from the Ocean Conservancy, NOAA Marine Debris Program, and the U.S. EPA, referenced below. The River Project commitment (at least 1% of sales to river adoption and cleanup, beginning with the Mulberry River) and the purified-water facility mission are NuRich program commitments. No NuRich-specific donation totals or cleanup volumes are stated.

Sources: Ocean Conservancy, International Coastal Cleanup Report 2025–2026 — plastic beverage bottles #1 most collected item, 1,338,712 bottles + 885,854 caps in one day (oceanconservancy.org/work/plastics/cleanups-icc/annual-data-release/); NOAA Marine Debris Program, Plastic (marinedebris.noaa.gov/what-marine-debris/plastic); EPA, Basic Information about Nonpoint Source (NPS) Pollution — leading remaining cause of water quality problems (epa.gov/nps/basic-information-about-nonpoint-source-nps-pollution).