Lead Pipe Map

Placer County, CA · PWSID CA3110017

Sierra Lakes County Water Dist lead service lines

339 lines still unidentified

Sierra Lakes County Water Dist reported no confirmed lead service lines, but 339 of 840 lines (40%) are still listed as "lead status unknown." Until a line is identified, treat it as possibly lead.

0% of Sierra Lakes County Water Dist's service lines are lead or galvanized requiring replacement. That's lower than the California average (0.1%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
339Unknown material
501Non-lead

Total service lines reported: 840. Reported all required service line types. Population served: 210; 845 connections.

Lead action level exceeded. The system's most recent lead sampling period in EPA data (starting Jan 2024) had a 90th-percentile result above the 15 ppb federal action level. Use a certified filter for drinking and cooking water until your line is checked.

Lead test results

Sierra Lakes County Water Dist's most recent 90th-percentile lead result (Jan 2024–Dec 2026) was 36 ppb, above the 15 ppb federal action level. This means 90% of homes sampled were at or below that level; individual homes, especially those with lead lines, can be higher.

1510Jan 2015–Dec 2017: 3 ppb2015Jan 2018–Dec 2020: not detected2018Jan 2021–Dec 2023: 3 ppb2021Jan 2024–Dec 2026: 36 ppb2024

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 0 in 2025 Q1 to 0 in 2026 Q3: no change. Lines of unknown material went from 339 to 339, 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 no Lead and Copper Rule violations for Sierra Lakes County Water Dist since 2015. That covers testing, reporting, corrosion control and public notice requirements; it isn't a guarantee about any individual home.

Source: EPA SDWIS violation records for the Lead and Copper Rule.

Where the water comes from

Sierra Lakes County Water Dist's main water source is surface water (rivers, lakes or reservoirs).

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 Sierra Lakes County Water Dist 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 Placer County

Other water systems nearby

SystemLead + galv.Unknown
City of Roseville02,638
Placer Cwa - Foothill06,585
Placer Cwa - Auburn/Bowman03,132
Nevada ID - North Auburn0823
North Tahoe PUD - Main01,159
Placer Cwa - Colfax0316
Fulton Water Company0924
Placer Cwa - Alta0216

Check another water system

Questions

Does Sierra Lakes County Water Dist have lead pipes?

It hasn't confirmed any, but 339 of its 840 service lines are still of unknown material, so lead has not been ruled out.

How do I check if my home's service line is lead?

Look up your address on Sierra Lakes County Water Dist'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 Sierra Lakes County Water Dist 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 Sierra Lakes County Water Dist had lead violations?

EPA's data shows no Lead and Copper Rule violations since 2015 for Sierra Lakes County Water Dist.

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, "Sierra Lakes County Water Dist lead service lines," https://leadpipemap.com/ca/sierra-lakes-county-water-dist/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.