Colorado · population 38,287
Lead pipes in Northglenn, CO
No lead lines reported
Most of Northglenn (population 38,287) gets its water from City of Northglenn, which reported 10,346 service lines and no lead, galvanized or unknown lines.
0% of City of Northglenn's service lines are lead or galvanized requiring replacement, lower than the Colorado average (1.2%) and lower than the national average (3.1%).
- Lead 0%
- Galvanized (replace) 0%
- Unknown 0%
- Non-lead 100%
Latest lead test for City of Northglenn (Jan 2023–Dec 2025): 1.7 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.
Compliance record: EPA lists no Lead and Copper Rule violations since 2015 for City of Northglenn.
Water systems serving Northglenn
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of NorthglennMain system | 0 | 0 | 0 | 0% |
| City of ThorntonServes nearby areas | 0 | 0 | 0 | 0% |
Matched from EPA water system service area boundaries and the cities each system reports serving. Edges of the city may be served by a neighboring system; your water bill names your utility.
Check your address in Northglenn
The counts above cover the whole water system. To see whether your line is lead, look up your address on City of Northglenn's official inventory. Utilities had to make these public by October 16, 2024.
No map yet? Do the 2-minute scratch and magnet test.
Protect your drinking water
If your line is lead, galvanized or unknown, use a filter certified to NSF/ANSI 53 for lead for drinking, cooking and baby formula, and use only cold water.
Choosing a lead-certified filter · Testing your water · Replacement cost
Nearby cities
- Thorntonno lead reported
- Federal Heightsno lead reported
- Broomfieldno lead reported
- Westminster1 lead + galv. lines
- Lafayette31 lead + galv. lines
- Erieno lead reported
- Louisville4,416 unknown
- Superiorno lead reported
Check another water system
Questions
Does Northglenn, CO have lead pipes?
City of Northglenn, which serves Northglenn, reported no lead, galvanized or unknown service lines.
Who supplies water to Northglenn?
EPA's service area maps place most of Northglenn in City of Northglenn's service area (PWSID CO0101115). City of Thornton also serves parts of the city or nearby areas.
How do I check whether my Northglenn home has a lead service line?
Search your address on City of Northglenn's service line inventory map. You can also scratch the pipe where water enters your home: lead is soft, dull gray, scratches to shiny silver and doesn't attract a magnet.
When will lead pipes in Northglenn be replaced?
EPA's Lead and Copper Rule Improvements require most systems to replace lead and galvanized-requiring-replacement lines by December 31, 2037. Ask City of Northglenn whether your street is scheduled and whether it covers the private side.