Historical clue formulations

• Home drainage option — 2025-03-30
• Drainage collector — 2021-07-28
• Basement feature — 2020-02-14
• Kind of pump — 2018-12-17
• Drainage pit — 2016-05-01
• Cesspool — 2013-10-02
• Drainage pit — 2010-10-11
• Water collector — 2009-06-04
• Drainage pit — 2008-11-26
• Waste reservoir — 2008-05-26
• Well — 2008-05-11
• Drainage pool — 2006-09-07
• Place for a pump — 2005-06-01
• Cesspool — 2005-03-26
• Cesspool — 2004-12-29
• Water pit — 2004-12-16
• Water hole — 2004-02-27
• Water pit — 2002-11-28
• Water collector — 2000-05-04
• Well — 1999-01-01
• Cesspool — 1996-09-26
• Water collector — 1995-11-07
• Its usefulness goes to waste — 1993-12-20
• Waste reservoir — 1993-11-26