תשובות בעת מלחמה (אנגלית), מקווהCollected Responsa in Wartime, Mikvah

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1Question:

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2The following inquiry by a soldier to his chaplain was transmitted to us. His wife is moving near the camp. There are no Jewish communities in the neighborhood with adequate mikvah facilities.

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3Answer:

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4In the absence of a mikvah it is quite permissible to use a river, provided it is not the kind of river which dries up entirely in the summer because it is fed entirely by rain water. (See Yore Deah 201, #2, the note of Isserles.)

ה׳

5Also, the ocean or any lake fed by streams (see m. Mikvoth V,4. Also, commentary of Tosfos Yomtov to m. Parah VIII 8. Also, Sefer Ha-Eshkol 50, #8, the teshuva of Natronai).

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6In all these cases there must be enough water at the bathing for complete immersion.

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7To which Dr. Jung adds: The bathing suit worn by the woman must be wide enough to allow the water unimpeded to reach every part of the skin. From every angle visit to a mikvah in a neighboring town is preferable. Also some other woman, or husband in the distance if immersion is covered by sheet, must be present to witness completeness of immersion.