A viral accusation circulating on social media platforms in March 2026 claims that Israel opened a "sewage water dam" into the Wadi Gaza stream, polluting the river and coastal environment with untreated wastewater. This allegation is entirely fabricated and propagates a physically impossible myth designed to mislead the public. Southern Israel does not have any water-control or sewage dams along the Nahal Besor (Wadi Gaza) drainage basin that can be opened or closed. The actual source of the untreated sewage seen flowing into the Mediterranean is the municipal wastewater network inside Gaza, which suffers from chronic operational failures.

The Facts in English

The false claim that Israel released sewage into Gaza masks the severe structural failures of the local sanitation infrastructure managed by Palestinian authorities. The geographical and physical evidence thoroughly refutes this disinformation campaign through several clear facts.

• No Dams Exist: There are absolutely no water-control or sewage dams in southern Israel or along the Nahal Besor (Wadi Gaza) stream bed. This physical reality was confirmed during previous iterations of this myth, forcing major media outlets to retract false reporting.
• Natural Drainage Basin: Wadi Gaza is a natural, seasonal riverbed that drains rainwater runoff from the Hebron hills and the Negev desert. Any sudden flow of water during rainy seasons is a natural, unpreventable flash flood, not a controlled discharge from non-existent Israeli floodgates.
• Local Municipal Discharge: The untreated sewage polluting the wadi is discharged directly by local Palestinian municipalities within the Gaza Strip. Due to chronic lack of maintenance and fuel shortages under Hamas, local sanitation authorities regularly pump raw wastewater directly into the riverbed.
• Hamas Infrastructure Sabotage: Hamas has spent more than a decade actively undermining Gaza's water and sanitation services by diverting resources. The group famously produced propaganda videos showing its fighters digging up municipal water pipes to repurpose them into rocket casings.

The Historical Context of the Flood Libel

The "opening the dams" accusation is a recurring, coordinated propaganda campaign—often termed a modern "flood libel"—designed to shift blame for Gaza's systemic administrative failures onto Israel. This specific narrative dates back to at least 2015, when Palestinian activists falsely claimed that Israel opened dams in the Negev to drown neighborhoods in Gaza. Despite being thoroughly debunked by international journalists and Israel’s Water Authority, which proved that the only structures in the area are low-profile runoff-directing steps barely one meter high, anti-Israel networks continue to revive the claim whenever seasonal rains or infrastructure failures occur.

For nearly two decades, Gaza's water and sanitation sectors have suffered from severe, systemic mismanagement under the Hamas regime. Following Israel's total disengagement from the Gaza Strip in 2005, all water supply and sewerage networks were left under exclusive Palestinian control. Instead of building and maintaining a modern wastewater network using millions of dollars in international aid, Hamas systematically diverted dual-use construction materials like concrete, steel, and piping to build its multi-million-dollar "Gaza Metro" terror tunnel network. Consequently, Gaza's wastewater treatment plants have frequently broken down or ceased operations entirely, forcing municipalities to dump raw sewage directly into the sea and onto open land.

Furthermore, Hamas's long-standing refusal to cooperate with Israel on joint water management, combined with its internal disputes with the Palestinian Authority, has paralyzed major infrastructure upgrades. Reports from the World Bank and other international development agencies have repeatedly highlighted how jurisdictional disputes and local administrative corruption have stalled key sanitation projects. By blaming Israel for seasonal floods and local sewage dumping, Hamas and its media allies attempt to deflect domestic anger away from their own governance failures while weaponizing environmental issues to gain international sympathy.

Factual Reality and the Harm of False Narratives

The persistence of the "sewage dam" myth highlights how easily environmental crises can be weaponized in the information war against Israel. Geographically and structurally, Israel has no capacity to flood Wadi Gaza with sewage, making the claim a physical impossibility. By framing a local sanitation crisis as a deliberate act of Israeli aggression, hostile actors obscure the real, urgent humanitarian need for administrative reform and infrastructure rehabilitation inside Gaza. This libel only serves to enable Hamas's continued neglect of civilian needs by shielding the terrorist group from accountability for the ecological and sanitary decay of the territory it governs.