Weld County, CO · PWSID CO0162321
City of Greeley lead service lines
273 lead or galvanized lines to replace
City of Greeley reported 10 lead and 263 galvanized-requiring-replacement service lines out of 29,190 in its inventory. That's about 1 in 107 lines. Another 9,191 (31%) are still listed as unknown material.
Ranks #5 of 55 Colorado systems with confirmed lead lines, and #1,022 nationally.
0.9% of City of Greeley's service lines are lead or galvanized requiring replacement. That's about the same as the Colorado average (1.2%) and lower than the national average (3.1%).
- Lead <0.1%
- Galvanized (replace) 0.9%
- Unknown 31%
- Non-lead 68%
Total service lines reported: 29,190. Reported all required service line types. Population served: 132,310; 30,250 connections.
Lead test results
City of Greeley's most recent 90th-percentile lead result (Jul 2025–Dec 2025) was 4 ppb, below both the 15 ppb action level and the 10 ppb level that takes effect in 2027. This means 90% of homes sampled were at or below that level; individual homes, especially those with lead lines, can be higher.
Lead and Copper Rule 90th-percentile results reported to EPA, in parts per billion. Dashed lines: 15 ppb action level and the 10 ppb level from November 1, 2027.
Progress since 2025 Q1
Reported lead and galvanized-requiring-replacement lines went from 273 in 2025 Q1 to 273 in 2026 Q3: no change. Lines of unknown material went from 9,191 to 9,191, no change.
Quarterly counts reported to EPA. A drop usually means lines were replaced or confirmed non-lead; a rise usually means more lines were identified. Replacement progress rankings.
Lead rule violations
EPA's data lists 2 Lead and Copper Rule violations since 2015 for City of Greeley. Health-based violations are treatment failures, such as corrosion control or public education; the rest are missed monitoring or reporting.
| Began | Violation | Status |
|---|---|---|
| Oct 2024 | Lead consumer notice not delivered or reported | Returned to compliance |
| Jul 2020 | Missed water quality parameter monitoring | Returned to compliance |
Source: EPA SDWIS violation records for the Lead and Copper Rule.
Where the water comes from
City of Greeley's main water source is surface water (rivers, lakes or reservoirs). It buys treated water from North Weld County WD, East Larimer County WD, City of Loveland, West Fort Collins WD. The seller treats the water, including corrosion control that keeps lead from dissolving out of pipes, while City of Greeley is responsible for its own service line inventory and replacement program. It sells water to 16 other water systems: East Larimer County WD, City of Loveland, City of Evans, Town of Johnstown, Town of Milliken, North Weld County WD, Stoneybrook MHP, Town of Windsor, Countryside of Greeley, Country Estates Mobile Home Park, Friendly Village of Greeley MHP, Greeley Mobile Manor, Meadow Village Mobile Home Park, Stoneybrook Pointe, Villa West, Woodlands East.
Source: EPA SDWIS water system and facility records.
Check your own address
These counts cover the whole system. To see whether your line is lead, use the utility's address-level inventory. Utilities had to prepare one by October 16, 2024 and make it publicly accessible; systems serving more than 50,000 people must post it online.
No map yet? Do the 2-minute scratch and magnet test on the pipe where water enters your home.
Protect your drinking water now
If your line is lead, galvanized or unknown, filter water for drinking, cooking and baby formula. Use a filter certified to NSF/ANSI 53 for lead. Run cold water for a few minutes after it sits for hours, and never use hot tap water for cooking.
How to pick a lead-certified filter · How to test your water for lead
Getting the line 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 Greeley whether it replaces the private side for free or with a cost share before you hire anyone. If you want it done sooner, or your utility doesn't cover your side, a licensed plumber can quote it. What replacement costs.
County pages: Lead pipes in Weld County
Cities served
ZIP codes served
ZIP codes whose center falls inside City of Greeley's mapped service area (EPA service area boundaries). Neighboring utilities may serve parts of the same ZIP.
8055080634
Other water systems nearby
| System | Lead + galv. | Unknown |
|---|---|---|
| Town of Johnstown | 9 | 344 |
| City of Evans | 0 | 3,367 |
| North Weld County WD | 5 | 2,137 |
| City of Ft Lupton | 1 | 2,163 |
| Town of Hudson | 0 | 175 |
| Aristocrat Ranchette Water Project | 0 | 3 |
| Briggsdale WC | 3 | 24 |
| Paradise Village Coop Mobile Home Park | 0 | 40 |
Check another water system
Questions
Does City of Greeley have lead pipes?
Yes. City of Greeley reported 10 lead service lines and 263 galvanized lines that must be replaced, out of 29,190 total. 9,191 more are of unknown material.
How do I check if my home's service line is lead?
Look up your address on City of Greeley's official service line inventory, which utilities must make publicly available. You can also scratch the pipe where it enters your home: lead is soft, dull gray, scratches to shiny silver and does not attract a magnet.
When will City of Greeley replace lead service lines?
Under EPA's Lead and Copper Rule Improvements, most systems must replace lead and galvanized-requiring-replacement lines by December 31, 2037, starting from November 1, 2027. The rule is being challenged in court, so dates could change. Many utilities run free or cost-share programs now.
Has City of Greeley had lead violations?
EPA's data shows 2 Lead and Copper Rule violations since 2015 for City of Greeley.
Which water filters remove lead?
Use a filter certified to NSF/ANSI Standard 53 for lead reduction, or NSF/ANSI 58 for reverse osmosis. Check the certification on NSF's listings, not just the box.
Embed or cite this data
Local news sites, blogs and community groups can embed this card. It updates when EPA releases new data.
Citation: Lead Pipe Map, "City of Greeley lead service lines," https://leadpipemap.com/co/city-of-greeley/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.