The Lambro ( lmo, Lamber or ''Lambar'' ) is a river of

Lombardy Lombardy ( it, Lombardia, Lombard language, Lombard: ''Lombardia'' or ''Lumbardia' '') is an administrative regions of Italy, region of Italy that covers ; it is located in the northern-central part of the country and has a population of about 10 ...

, northern Italy, a left tributary of the Po. The Lambro rises from the

Monte San Primo Monte San Primo is a mountain of Lombardy, Italy. It is high and belongs to the province of Como. SOIUSA classification According to the SOIUSA (''International Standardized Mountain Subdivision of the Alps'') the mountain can be classifie ...

, elevation , near the Ghisallo, in the

province of Como The Province of Como ( it, Provincia di Como; german: Provinz Como; Comasco: ) is a province in the north of the Lombardy region of Italy and borders the Swiss cantons of Ticino and Grigioni to the North, the Italian provinces of Sondrio and Le ...

, not far from

Lake Como Lake Como ( it, Lago di Como , ; lmo, label=Western Lombard, Lagh de Còmm , ''Cómm'' or ''Cùmm'' ), also known as Lario (; after the la, Larius Lacus), is a lake of glacial origin in Lombardy, Italy. It has an area of , making it the thir ...

. After Magreglio it flows through the Valassina and the ''comuni'' of Asso, Ponte Lambro and Erba, entering

Lake Pusiano A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

with the name of ''Lambrone''. The Lambro passes through Brianza reaching

Monza Monza (, ; lmo, label=Lombard language, Lombard, Monça, locally ; lat, Modoetia) is a city and ''comune'' on the River Lambro, a tributary of the Po River, Po in the Lombardy region of Italy, about north-northeast of Milan. It is the capit ...

and crossing its famous park (where king Umberto I was assassinated by

Gaetano Bresci Gaetano Bresci (; November 10, 1869May 22, 1901) was an Italian-American anarchist who assassinated King Umberto I of Italy on July 29, 1900. Bresci was the first European regicide not to be executed, as capital punishment in Italy had been a ...

) in two branches which join again before the river passes through the eastern part of Milan. At

Melegnano Melegnano (formerly Marignano; lmo, Meregnan ) is a town and ''comune'' in Italy, in the province of Milan, region of Lombardy. The town lies southeast of the city of Milan. It received the honorary title of city with a presidential decree on 2 ...

it receives the waters of the Vettabbia and, at Sant'Angelo Lodigiano, those of its main tributary, the Lambro meridionale ("Southern Lambro"), almost doubling its

discharge Discharge may refer to Expel or let go * Discharge, the act of firing a gun * Discharge, or termination of employment, the end of an employee's duration with an employer * Military discharge, the release of a member of the armed forces from serv ...

. The Lambro flows into the Po near

Orio Litta Orio Litta ( Lodigiano: ) is a ''comune'' (municipality) in the Province of Lodi in the Italian region Lombardy, located about southeast of Milan and about southeast of Lodi. As of 31 December 2004, it had a population of 1,982 and an area of .A ...

. At the average discharge of the Lambro is relatively small, but it can be occasionally boosted to 40 m³/s or more by the Milanese water drains and dangerous floods are frequent in the rainy seasons. The name Lambro was used for a popular three-wheeler commercial transport vehicle produced by Milanese automaker Innocenti, which also made the Lambretta motor scooters.

Etymology

According to Pokorny's Indogermanisches etymologisches Wörterbuch (''Indo-European Etymological Dictionary'')
1132 (''legʷh-'')
''Lambrus'' corresponds to Greek ἐλαφρός, meaning 'light (in weight), quick, nimble' ('leicht, flink' in German) and is related to Illyrian ''lembus'' (*''lengʷho-s'') 'light vehicle' ('leichtes Fahrzeug' in German), whence also Greek λέμβος. Pokorny cites Krahe, ''Gymnasium'' 59 (1952), p. 79.

Pollution

Lambro drains a very densely populated and heavily industrialized zone, including a significant portion of the Milan metropolitan area with a population of more than 3,000,000. Before the construction of a

treatment plant Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, includ ...

in 2002, almost all of the sewage from the city of Milan flowed untreated into the river, as well as industrial sewages.

Saboteur oil spill

Despite the implementation of sewage treatment, overall water quality remained poor, until the major disaster of 23 February 2010, when unknown criminals poured into the river, near

Villasanta Villasanta (''La Santa'') is a ''comune'' (municipality) in the Province of Monza and Brianza in the Italian region Lombardy, located about northeast of Milan. Villasanta borders the following municipalities: Arcore, Biassono Biassono ( Brian ...

, the contents of several silos containing oil and other hydrocarbons, all belonging to a company named "Lombardia Petroli". This oily mass, estimated at over , followed the entire length of the river, despite both local authorities and civil defence's efforts in order to stop the flow, then reached Po river. This disaster caused considerable damage to wildlife and vegetation, both in Lambro and in Po, and its effects will be evident for many years afterwards, making it one of the worst environmental crises in recent history in Italy.NICOLE WINFIELD
"Lambro River Oil Spill May Create 'Ecological Disaster' In Italy"
''Huffington Post'', 2010-02-24

References

{{Reflist Rivers of Italy Rivers of the Province of Como Rivers of the Province of Lecco Rivers of the Province of Monza and Brianza Rivers of the Province of Milan Rivers of the Province of Lodi Rivers of the Province of Pavia