Seawater is fed into large ponds and water is drawn out through natural evaporation which allows the salt to be harvested.

It was commonly used to cure infected wounds, but was found to have the unusual characteristic of miraculously disappearing (abandoning its post) for unknown reason never to be located again.

They found good fishing grounds and they decided to stay along the coast in the barrio of Uli, Dasol.

Dasol was repopulated by the Ilocano settlers from Paoay, Ilocos Norte headed by Don Matias Guiang in 1830.

The Pangasinan sub-group was headed by Vicente del Prado, who together with Daniel Maramba reached an understanding to launch an attack on Spanish situations.

On March 7, 1898, a simultaneous attack was suddenly made upon convents in number of towns of western Pangasinan (then as northern Zambales).

[6] The municipalities ceded were Alaminos, Bolinao, Anda, San Isidro de Potot, Bani, Agno, and Infanta.

Townsfolk cited alleged lack of concern for the towns' interest and welfare by the Zambales provincial government and was encouraged to join Pangasinan province.

25, signed by Governor-General William Cameron Forbes, Dasol seceded from San Isidro de Potot, San Isidro de Potot was renamed as Burgos (in honor of José Apolonio Burgos) and Balincaguin was renamed as Mabini (in honor of Apolinario Mabini).

Ever since its creation, the boundaries of Dasol with the municipalities of Burgos, Mabini and Infanta remain vague, for what the leaders of Dasol had claimed to be the boundaries then agreed upon and as allegedly borne out by records, are no longer respected by the respective officials of said adjoining municipalities.

During the incumbency of Mayor Liceralde, he made an attempt to settle Dasol's boundary with Mabini, but even after two separate conferences between the officials of the two towns were already had, each group was adamant in its own version.

Considering that there was no visible sign of a probability for an amicable settlement of the dispute, the idea was abandoned so as to give way to court battle.

On November 6, 1944, while guarding convoy Ma-Ta 31, the Japanese cruiser Kumano was attacked by a US submarine wolf-pack consisting of the Batfish, the Guitarro, the Bream, theRaton and the Ray.

The first hit destroyed the ship's recently replaced bow, and the second damaged its starboard engine room.

Later, Bongalon (Hermosa) was divided to create Petal out of its two sitios Penec and Espital and from Alilao, two more barangays were formed now known as Amalbalan and Gais-Guipe.

One of the plantations is the Carolina Farm and Mango Orchard owned by Menardo Jimenez, former GMA Network president.

Registered Mining Operators: Dasol, belonging to the first congressional district of the province of Pangasinan, is governed by a mayor designated as its local chief executive and by a municipal council as its legislative body in accordance with the Local Government Code.

During the time San Isidro Putot was established, the town had been under three rulers, who ruled in different terms, namely: Lucas Bonilla (1899–1901), Nazario Nacar (1901–1903), and Paulino Mendoza (1904–1908).

In the next election, Flaviano Cristobal ran again and won, making him as the Municipal Mayor of Dasol at the outbreak of the second world war.

When Philippine Independence came in 1946, Marcelo A. Jimenez was appointed by President Roxas as Acting Municipal Mayor.

Ludovico R. Espinosa was elected and served as mayor from July 1980 until the government reorganization on June 10, 1986, by President Corazon Aquino.

Due to term limits set by the Philippine Local Government Code of 1991, Sergio Jimenez gave way to his wife, Angelita Ocampo-Jimenez to run for the 2001 elections.

Dasol celebrates the annual feast of its Catholic patron Saint Vincent Ferrer every first Friday of Lent (after Ash Wednesday).

In the afternoon, an open sports tournament sponsored by the Youth Council are held in the municipal hall compound.