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15 of the Filthiest Beaches in the World

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Beaches are not just picturesque vacation spots; they play a vital role in supporting biodiversity, protecting coastlines, storing carbon, and providing valuable resources for both humans and wildlife. Unfortunately, these once-pristine oases are now facing a pressing issue of severe Pollution, caused by plastic waste, chemical runoffs, and other pollutants. The World Wide Fund for Nature (WWF) reports that ocean plastic has increased by 50% in the last five years, despite efforts to combat plastic Pollution through policies. The situation is concerning, with littered coastlines and contaminated waters impacting marine life and human well-being. As we strive to protect these precious coastal ecosystems, global collaboration and sustainable initiatives become crucial in restoring the natural allure of our beloved beaches for the benefit of future generations.

1. Freedom Island, Manila, Philippines

This country takes the lead as the largest contributor to plastic waste Pollution in the ocean. One study said that there are over 1000 rivers around the world that are responsible for 80% of plastic emissions into the sea. Many of these rivers are in the Philippines so you can imagine what some of their beaches look like! Most notably, Freedom Island in Manila. The saddest part about this is that it’s one of the last remaining mangrove forests and salt marsh frontier in Metro Manila. This sanctuary for an incredible array of marine lifeforms and over 80 different species of birds faces a significant threat. There have been massive clean-up attempts in recent years including an annual clean-up on June 8 for “World Oceans Day” but experts say will take a serious overhaul of policy and infrastructure to keep this island as pristine as the travel brochures show.

2. Goa Beaches, India

Five lakes in South Goa and one in North Goa were found to be heavily polluted with sewage, posing a serious health concern for both residents and tourists. Some hotels and establishments have been caught dumping huge amounts of untreated wastewater directly into the sea. To add to the trouble, the state’s beautiful beaches are marred by garbage, with plastic waste being a significant culprit. Although the government attempted to curb single-use plastic by implementing a ban, its enforcement has been lackluster, with many vendors continuing to use plastic cups, plates, and straws, further exacerbating the plastic waste issue. As a consequence of these polluted rivers, the fish population has dwindled, affecting the livelihoods of local fishermen as well.

3. Pattaya, Thailand

Years after an infamous dumping of sewage into the gulf blamed on faulty pipes and beaches littered with trash, clean-up crews have made a huge improvement. Unfortunately getting everyone on board hasn’t been very successful. Irresponsible tourist-boat operators have been blamed for dumping their rubbish into the sea, resulting in a large amount of garbage being washed ashore onto one beach in particular in Pattaya and harming both tourism and the environment in Pattaya Bay more generally. Just 10 months ago locals took to Reddit to reveal, “The water off Pattaya and Jomtien beaches is horrific…”

A recent study by Environment America revealed that in 2022, 90% of Texas beaches had at least one day of unsafe fecal contamination. Yep, poop water. That’s a lot higher than the national average of 55%. Swimming in waters like this can result in severe illnesses, including ear infections and gastrointestinal distress. You definitely won’t want to bring a picnic to these beaches. Most of these hot spots were in the Corpus Christi and Galveston areas. The report stated it is largely due to runoff — manure flowing into streams and rivers after heavy rain — and sewage overflows from aging waterworks. As of press time (Jul 7, 2023), both Houston and Corpus Christi are under federal decrees to upgrade their sewer systems due to thousands of clean water violations since 2016, according to the report.

5. Haina Beach, the Dominican Republic

Once nicknamed the “Dominican Chernobyl”, this area has unfortunately earned the dubious honor of having the highest level of lead contamination worldwide. The worst part is that the entire population has shown signs of lead poisoning. the problem is said to have derived from an automobile battery recycling smelter so the company was eventually required to relocate. However, despite the efforts, it seems that high Pollution levels still exist and waste is redeposited by the ocean daily. So much so that the Environmental Protection Agency (EPA) has finally taken action. They have been focusing on improving solid waste management and addressing land-based sources of ocean plastic by linking up with other Central American countries and the DR under the CAFTA-DR and the U.S.-Panama Trade Promotion Agreement.

6. Kamilo Beach, Naalehu, Hawaii

Also known as “plastic beach” Kamilo Beach in Hawaii continues to be one of the most polluted beaches on earth. Since Hawaii is located at the heart of swirling ocean currents just east of the Great Pacific garbage patch, its beautiful shoreline acts as a collector, gathering plastic debris from all corners of the globe. Thanks to regular cleanups, the nightmare of 10-foot-tall piles of plastic has been kept at bay. However, there’s no escaping the reality that daily debris keeps trickling in with no signs of stopping. According to HWF (Hawaii Wildlife Fund) estimates, a staggering 15 to 20 tons of debris wash up on these shores each year, with a whopping 96% of it being plastic. It’s a constant battle to protect the environment from this relentless influx.

7. Guanabara Bay, Rio de Janeiro, Brazil

Nestled beside the vibrant city of Rio de Janeiro, Guanabara Bay once boasted a diverse ecosystem and sustained the livelihood of countless fishermen. However, in recent decades, the water has become so polluted that most residents don’t dare swim in it. A study by Rio de Janeiro State University revealed that a staggering 90 tonnes of waste are still being dumped into the Bay every single day. Dozens of abandoned, rotting boats, have further deteriorated its condition with a shipping canal that flows into the bay turning it into a grim cemetery rather than a waterway. Environmentalists are deeply concerned that the bay is being treated more like a landfill than the valuable resource it should be.

8. St Mary’s Bay, Kent, United Kingdom

Just this February, St Mary’s Bay beach in the UK was issued a year-long ‘do not swim’ warning after a significant increase in fecal matter was detected in the water. Regular sewage discharges occur in the seas around Britain’s coast and are permitted during periods of heavy rainfall. Water companies argue that these releases are necessary to prevent the sewage system from becoming overwhelmed. However, it has faced heavy criticism following a report released by Surfers Against Sewage last year, which revealed that water companies are releasing sewage even during dry weather. This revelation has sparked significant concern and raised questions about the effectiveness of the current sewage management practices.

9. Juhu Beach – Mumbai, India

Researchers conducted a study at Juhu Beach in Mumbai, India where they collected and analyzed thousands of litter samples. Shockingly, a staggering 75.5 percent of these items turned out to be various types of plastic. Interestingly, the amount of marine litter collected on these sandy shores was higher than reported in other habitats such as creek water channels, sea floor, and mangroves along the Mumbai coast, indicating that sandy beaches are more vulnerable to litter Pollution. Just last month, a disturbing Twitter video showed an open gutter directly releasing dirt, plastic, and various forms of waste into the sea at Juhu Beach. The footage raises serious concerns about the planning and measures taken by civic authorities to ensure basic hygiene at one of Mumbai’s well-known tourist spots.

10. South Beach, Key West, Florida

Water tests found excessive bacteria at beaches all along the Gulf Coast but South Beach in particular was found to have alarming levels of contamination making it unsafe to swim more days out of the year than most. The ongoing conflict between activists and the Florida government is having dire consequences for the state’s beaches and local ecology, resulting in substantial Pollution and damage to the coral reefs. While tourism keeps the cash rolling, it also poses a threat to the local beauty. Of course, we only have human activity to blame thanks to overcrowding, sewage discharges, septic system leaching, runoff from beachfront roads, and fertilizers that wash off beachfront lawns.

11. Playa Blanca, Mexico & Santa Monica Pier, California

Heal the Bay recently released its 33rd annual beach report, just in time for the official start of summer. The report ranks 700 beaches from Washington state to Tijuana, Mexico, based on levels of fecal bacterial Pollution, giving each site a letter grade from A to F. California’s top ten most polluted beaches, including one from Baja California, Mexico, are equally distributed between Northern and Southern California. Interestingly, there was a tie for the number one spot, with Playa Blanca in Tijuana and the Santa Monica Pier in Los Angeles both being identified as the most polluted beaches. Authorities and beachgoers must be aware of these findings to take necessary actions and precautions for a healthier coastal environment.

12. Henderson Island, Pitcairn Islands

It doesn’t always take tourism or overcrowding to cause massive amounts of Pollution. On one of the most isolated islands globally, Henderson Island, its beaches are teeming with plastic. Researchers found a staggering 38 million pieces of plastic, approximately 700 pieces per square meter. Nowhere else in the world is there a higher density of plastic waste that is also that far from human civilization. It gets continuously delivered by the South Pacific Gyre in huge anti-clockwise circles in the southern Pacific Ocean. The sheer volume of plastic creates an insulation blanket, significantly altering the daily temperature cycle of the sand. This drastic change is severely affecting the island’s wildlife. Environmentalist Brett Howell, who led a cleanup on the island remarked how it serves as a sullen reminder that plastic waste never really goes away. It’s crucial to change consumer behavior, moving away from treating plastic as a disposable commodity, bought with wild abandon and then thrown away after just one use.

13. Omoa Beaches, Honduras

One of the most severe sources of plastic pollution along the Caribbean coast of Central America is found on the beaches of the Omoa region in Honduras. This coastal area, located about 200 km north of Tegucigalpa, boasts stunning beauty with lush vegetation and palm trees. However, in some sections, the sand is tragically covered with a thick plastic carpet of various containers, syringes, and other waste. The primary culprit behind this garbage invasion is the Motagua River, which originates from the Guatemalan side. Despite efforts, authorities have struggled to prevent the relentless flow of waste into Honduras. As the river rises, plastic waste returns, creating a never-ending problem for coastal communities. The staggering amount of waste carried by the Motagua River has even led to the formation of “garbage islands” floating in the Honduran Caribbean.

14. Lake Suchitlan in El Salvador

Known locally as Suchitlan, meaning “place of flowers”, the Cerron Grande reservoir is a haven for native fish, waterbirds, and mammals like cougars and ocelots. However, despite being considered a protected site it has still become one of Central America’s most polluted bodies of water. The nearby town of Potonico is the hardest hit by the waste, with its residents suffering the consequences despite not being responsible for the Pollution. Their health and livelihoods are now paying the price. The reservoir’s growing heap of trash stems from the Lempa River, which carries waste from the Guatemalan highlands and neighboring Honduras before depositing it in Cerron Grande. Adding to the Pollution, the untreated waste from the Salvadoran capital is carried by the Acelhuate River before reaching the Lempa, exacerbating the problem.

15. Kalapaki Bay, Kauai, Hawaii

The Surfrider Foundation reports that they have tested several Kauai streams and found contamination, especially along the Waiopili stream. Human activities (residents and tourists visiting the beach), stormwater runoff, and wastewater discharge from the Lihu’e Wastewater Treatment Plant nearby are the main reasons for the high Pollution levels. They have sent a letter to the Department of Health, seeking cooperation to install warning signs along these affected streams. It took several years for the Department to take their concerns seriously. To this day there continues to be high levels of contamination.

Let’s Make a Difference Once and For All

Beach Pollution is not only unsightly, but it’s also detrimental to coastal areas and the marine life they Support. This Pollution includes everything from litter to sewage, and it’s contributing to the decline of coastal ecosystems. The plastic crisis is a global issue. It can take hundreds of years to degrade and is so durable that every bit of plastic ever made still exists. These massive cleanups are hugely beneficial but it isn’t enough so don’t worry if you can’t make it to the next one near you. There are more things you can do to help.

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