Velleius Paterculus characterized Crispinus Sulpicianus as "useless and defiant", and accused him of “unique depravity disguised by forbidding eyebrows”.

[2] A supporter of Iullus Antonius, he was accused of being one of the lovers of Julia the Elder and was either banished from Rome or executed in 2 BC as a result.

“Whoever, after the passage of this law, with malice aforethought pierces or breaks or causes to be pierced or broken, or in any way damages mains, conduits, arches, pipes of any size, reservoirs, or cisterns of the public water supply, which is conducted into the city, whereby these waters or any part of them cannot go, fall, flow, reach, or be conducted to the city of Rome; or whereby the water, which is or shall be granted or assigned to the owner or possessor of gardens, properties, or estates in the city of Rome and the structures now or hereafter neighboring it, diminishes in its flow or distribution to such gardens, properties, or estates, or its apportionment to reservoirs, or its storage in cisterns: that person shall be condemned to pay a fine of 100,000 sesterces to the Roman people; and, more over, whoever does any of these things with malicious deception shall be condemned also to repair, to remake, to restore, to build or to set up what he has destroyed and to demolish what he has built and to do all this in a proper manner.

“If any area is delimited on each side of mains, conduits, arches, pipes of any size, reservoirs, or cisterns of the public water supply, which is or in the future shall be furnished to the city of Rome: after the passage of this law no one shall obstruct, construct, fence, fix, establish, set up, locate, plow, or sow anything therein; nor shall anyone introduce anything into that area, except what is permitted or ordered by this law for construction or repairs.

“The present and the future curators of the water supply shall provide in a proper manner that trees, vines, brush, briers, banks, fences, willows, or reeds shall be removed, cut off, dug out, and uprooted in such area as is delimited on each side of springs, arches, walls, mains, and conduits, and on this account they shall have the right to seize pledges, to impose fines, and to exact punishment, and they shall have the right and the power to do these things without prejudice to themselves.