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Good practice Imported

Korle Lagoon Ecological Restoration Project — Flood Control and Sewage Treatment, at a Costly Human Toll

Ghana · Accra · See the Ghana profile · See the Accra profile

Evidence: Observational / pre–post Top 96% 20/100 · Ask Evidence Copilot about this practice

Accra's Korle Lagoon restoration dredged one of the world's most polluted water bodies and built new drainage and sewage treatment to cut flooding, at a total cost near US$38 million. Repeated forced evictions of the adjoining Old Fadama settlement — condemned by Amnesty Internat

37.74 US$ million
Total project cost
3,100 metres
New drainage laid
1,300 m3/day
Sewage-treatment capacity built
up to 2,000
Households evicted (June 2015) (June 2015)
Korle Lagoon Ecological Restoration Project — Flood Control and Sewage Treatment, at a Costly Human Toll

Details

Maturity
Established
Promoter
Ministry of Works and Housing, Ghana (Hydrology Department) / Accra Metropolitan Assembly
Period
1995–2015
Keywords
urban drainage, flood control, wastewater treatment, lagoon restoration, resettlement

Context

Korle Lagoon sits at the mouth of the Odaw River in central Accra and by the 1990s had become one of the most polluted water bodies in the world, choked with industrial effluent and solid waste that also blocked the city's main flood-drainage outlet to the sea.

Activities

The Korle Lagoon Ecological Restoration Project (KLERP), approved in 1995 and executed by Ghana's Ministry of Works and Housing with the Accra Metropolitan Assembly, dredged the lagoon, improved the Odaw drainage channel, laid roughly 3,100 metres of new drains, and built sewage-treatment capacity of about 1,300 cubic metres per day.

Results

Total project cost reached US$37.74 million, financed by the OPEC Fund, the Kuwait Fund for Arab Development, the Arab Bank for Economic Development in Africa, and the Government of Ghana.

Conclusions

The project's flood-control rationale was used repeatedly to justify demolitions of the adjoining Old Fadama settlement (evictions in 1993, 2002, 2012 and June 2015, the last removing up to 2,000 households with little or no notice and no resettlement plan). Amnesty International Ghana publicly condemned the evictions. KLERP therefore illustrates a real but double-edged case: measurable engineering capacity delivered alongside a documented governance failure -- displacement without adequate compensation, consultation or resettlement -- that any replication should explicitly design against.

Implementation
Indicative cost
High (€500k–€5M) — US$37.74 million total, combining OPEC Fund, Kuwait Fund, Arab Bank for Economic Development in Africa, and Government of Ghana financing.
Time to results
Long (> 3 years) — Approved 1995; evictions tied to the project's rationale recurred through June 2015.
Staffing & skills
Ghana Ministry of Works and Housing (Hydrology Department), Accra Metropolitan Assembly

Conditions for success

  • multilateral co-financing (OPEC Fund, Kuwait Fund, Arab Bank for Economic Development in Africa) alongside national government funds

Common failure modes

  • repeated forced evictions of an adjoining informal settlement (an estimated 55,000-200,000 residents) without adequate compensation, consultation or resettlement, condemned by Amnesty International
  • flood-control rationale used to justify demolitions rather than paired with a resettlement plan

Where it fits

Governance type
national ministry and municipal assembly with multilateral development-bank financing
Scale
single major urban lagoon/drainage system (Accra)
Income level
lower-middle income (Ghana)

Commonly funded by

National / regional programmes

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Data sources

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