City and town drinking water records

Water systems serving Detroit, MI

2 community water systems have a mapped service area in Detroit, MI. City of Detroit covers 81% of the area inside Detroit's Census boundary and reports serving 633,218 people in all.

1 of them had at least one health-based violation in the last 10 years. 1 system still has one unresolved.

2 rely mainly on surface water, counting water bought from other systems.

Their lead service line inventories list 80,747 lead lines, 840 galvanized lines that must be replaced and 40,670 lines of unknown material.

1 more system is placed in Detroit by EPA's town record because it has no service area map that lines up with its own records, so it is listed apart and not counted here.

Community water systems: 2
Systems with a health-based violation, last 10 years: 1
Systems with one unresolved: 1
Lead service lines in inventories: 80,747

Water systems serving Detroit

2 systems

People served is each system's own figure for its whole service area. Violation counts cover the last 10 years of EPA records.

System	Area	People served	Main source	Health-based violations, 10 years	Unresolved	Lead lines
City of Detroit	Covers 81% of Detroit	633,218	Purchased surface water	0	0	80,595
Harper Woods	Covers under 1% of Detroit	14,236	Purchased surface water	1	2	152

Systems placed by EPA's town record in Detroit

1 system

EPA has no service area map for this system. It is placed by EPA's town record (EPA lists it serving this town), and without a map it is not counted in the figures above.

System	Area	People served	Main source	Health-based violations, 10 years	Unresolved	Lead lines
Great Lakes Water Authority	Town on record	Not reported	Surface water	3	0	0

Other cities and towns in Wayne County

33 places

Back to Wayne County, MI

Counties come from the counties EPA lists each system serving, matched to 2024 Census counties; where EPA lists none, from the county coded in the system's ID, its service area map, or its mailing address. A county holding at least a fifth of a system's service area map is added when at least a fifth of that map lies in those counties. Towns are the ones EPA lists and the Census places such a map covers, always inside those counties. In New England, where EPA's town names a whole Town, it is not matched to the village of the same name. A system is not listed in a county holding less than a fifth of its map, or in a county or town its map reaches when the map lies mostly outside the counties EPA lists, so a page can leave out a system that serves part of the area. Methodology and limitations