D.C. Mun. Regs. tit. 22, r. 22-B101
It shall be considered a nuisance injurious to health to throw or place any defiling or poisonous substance, decayed animal or vegetable matter, or filth into, or cause or allow the substance to pass or enter into, any spring, well, or river water used by the public for drinking or cooking purposes, or into the water of any public reservoir or water pipe within the District so that the water is rendered impure and unwholesome.
Any person who commits or creates a nuisance as defined in § 101.1 shall, upon conviction, be fined not less than five dollars ($5) nor more than fifty dollars ($50) for each separate offense.
Any wells, springs, or waters used for drinking or cooking purposes, which are impure and unwholesome, or which have been rendered impure and unwholesome by any defiling or poisonous substance shall be considered a nuisance injurious to health.
Any person who maintains or continues a nuisance as defined in § 101.3, after due notice from the Mayor to abate the nuisance, shall, upon conviction, be fined not less than ten dollars ($10) nor more than fifty dollars ($50) for each offense.
D.C. Mun. Regs. tit. 22, r. 22-B101