The capital of Mozambique, Maputo, lies on Maputo Bay. City residents rely on considerable amounts of fishery resources, both for consumption and economic reasons. Maputo Bay beaches also serve many residents and tourists as a leisure spot throughout the year. Yet despite its beauty, there is growing evidence that the waters inside the bay are polluted by untreated sewage coming from new developments in the city that are not connected to the existing sewage and drainage facility and water treatment plant.

Groundwater contamination from pit latrines and storm water effluent is polluting the bay to the extent that swimming is inadvisable in all but the most distant areas of the bay. The Ministry of Health tests fecal coliform levels regularly, and there is a general ban on the consumption of shellfish from the bay.

This project takes the first steps to initiate the clean up of the most polluted region of Senegal – Hann Bay. The bay wraps around the industrial zone of the city of Dakar, Senegal. It is highly populated area, with local residents bathing in the water, and numerous fishing boats along the crowded shore. Industrial pollution along the banks from 1968 – 1997 has rendered the bay exceedingly toxic. This work will fund and support a group both within the Ministry of Industry and Ministry of Environment to create a credible implementation plan that will install an industrial waste treatment plan for the factories of the Hann region. Once the effluent treatment plant is in operation, work can begin to remediate legacy contamination from historical toxins.

Mikocheni, a neighborhood in Dar es Salaam, is home to four heavily polluted streams that run directly into the Indian Ocean. Untreated industrial and domestic waste is dumped into the waterways upstream, or into storm drains. Environmental Management Trust (EMT) is undertaking a project to monitor and stop this pollution of marine habitats and breaches. The project goals are to make wastewater treatment mandatory for all polluting industries, to stop residential houses from releasing waste from septic tanks into streams, and to ensure that sewers, storm drains and pumping stations are properly maintained to prevent leaks into the stream.

The Lawyers Environmental Action Team (LEAT) works in Mwanza and surrounding regions with community-based organizations, non-governmental organizations, and the Mwanza City Council to identify problems and educate both polluters and victims of pollution about environmental laws. LEAT also conducts public interest litigation to force the cessation of polluting activities by both local factories and Mwanza City authorities. And LEAT works with surrounding towns and villages affected by polluting industries. Village and municipal leaders and residents have been educated about existing environmental laws used to combat environmental pollution, and they have been briefed on the Village Land Act of 1999 which stipulates rights of villagers regarding their land and other natural resource laws.

EnviPro is an environmental engineering NGO working on a project in the neighborhood of Vingunguti, in Dar es Salaam, to manage waste effluent from Vingunguti Abattoir, a local slaughterhouse. The slaughterhouse is dumping waste directly into the Msimbazi River, posing a significant health risk to residents of Dar es Salaam and surrounding areas, and EnviPro has designed a plan to install a wastewater treatment program for the plant.

Zambia is a land-locked country in Central/Southern Africa with a population of about 10 million people. About 1.25 million people inhabit the capital, Lusaka, with another 2 million in the northern Copperbelt region. Major pollution-related problems are due to mining and industrial waste. In 2001, Blacksmith Institute helped to found ARE, an NGO focusing on a heavily polluted industrial area on the Kafue River. The Kafue River, part of the Zambezi basin, is a source of potable water for over forty percent of Zambia's population. It is also host to wildlife and birds. For decades, industries such as copper mines, metallurgical plants, textile plants, fertilizer factories, sugar processing plants, cement factories, various agricultural activities, and the Kafue Sewage Treatment Plant (KSTP) have polluted the river. Mineral deposits, chemicals, and suspended solids have led to overgrowth of aquatic weeds, choking river life. The continuous discharge of raw sewage into the Kafue River from the KSTP has contributed to the steady supply of nutrients (ortho-phosphates, nitrates, ammonia, etc.) ensuring the proliferation of various types of weeds, like the Salvina molesta, thereby causing eutrophication. Both aquatic life and human health are in danger. High incidences of environmentally mediated disease, such as gastro-enteritis, intestinal worms, and diarrhea diseases mostly in children have been reported from communities around the river and have been linked to drinking water from certain parts of the river. The raw sewer pollution of Kafue River could inadvertently lead to outbreaks of epidemics like cholera.

Bata Tannery uses various chemicals in tanning animal skins. Amongst these chemicals is chromium sulfate, which can easily be converted to either hexavalent or trivalent chromium. The effect of these chemicals on human and aquatic life is potentially lethal. Equally, the yeast production from Lee Yeast results in high concentrations of both chemical oxygen demand (COD) and biochemical oxygen demand (BOD) in the wastewater. The net effect is the reduction in the river system's oxygen concentration, leading to toxic anaerobic conditions.

The Msimbazi river flows across Dar es Salaam City from the higher areas of Kisarawe in the Coastal region and discharges into the Indian Ocean. Because of its location, the river ahs been an important resource for residents in the Dar es Salaam city in various ways. Additionally, the river has been abused by different sectors as a dumping site for effluent and other pollutants produced by the city. As a consequence of the high levels of pollution, the river’s water quality has sharply decreased, and is no longer safe for consumption, domestic uses, or even irrigational uses.

Studies have indicated high levels of heavy metal in the river, run-off from local industry. Additionally, toxins in the river are also attributable to the presence of a waste dump site besides the river in Vingunguti area, which continually leaks greater and greater degrees of effluent into the water. A local abattoir located near the river is another significant source of discharge into the water. Sources of pollution from domestic households include poor sanitation systems mainly from septic tank and pit latrines that are used by about 85% of the city population. Agricultural activities using manure and fertilizers both in the basin and at the beds of the river have made the pollution problem more complicated. Ultimately, it is clear that the sources of pollution impacting the river are quite numerous and diverse.

So far, several stakeholder groups have gotten involved with this issue. Stakeholder groups, each with a particular focus, have taken the first steps towards intervening in this clear environmental hazard. For example, LEAT successfully filed a case in court to forbid the dumping of waste in the Vingunguti area. Enviropro, another Dar es Salaam based organization, worked to improve the abattoir. Such efforts are isolated however, and primarily prevent further contamination more than remediate the problem such that it currently exists. It is necessary at this point to synchronize the efforts of all interested parties, to maximize their overall effect.

Significant industrial waste is haphazardly dumped into the Meycauayan River, a source of domestic and agricultural water for 250,000 people living in and around Manila. Substantial contamination comes from small scale lead recycling facilities along the river at Marilao, and from the many tanneries that dump untreated hexavalent chromium into the river. This river also feeds directly into the Manila Bay, and its effluents contaminate shellfish in commercial fishing areas.