Lead Pipe Map

Colorado · population 15,162

Lead pipes in Castle Pines, CO

82 lines still unidentified

Most of Castle Pines (population 15,162) gets its water from Parker WSD. It reported no confirmed lead service lines, but 82 of 20,005 lines are still listed as unknown material, so lead hasn't been ruled out.

0% of Parker WSD's service lines are lead or galvanized requiring replacement, lower than the Colorado average (1.2%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
82Unknown material
19,923Non-lead

Latest lead test for Parker WSD (Jan 2026–Jun 2026): 2.6 ppb at the 90th percentile, against a 15 ppb federal action level. Full test history.

Compliance record: EPA lists 1 Lead and Copper Rule violation since 2015 for Parker WSD.

Water systems serving Castle Pines

Water systemLeadGalv.Unknown% lead
Parker WSDMain system00820%
Castle Pines North MDServes nearby areas0000%

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 Castle Pines

The counts above cover the whole water system. To see whether your line is lead, look up your address on Parker WSD's official inventory. Utilities had to make these public by October 16, 2024.

Find the official inventory mapParker WSD details

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.

Pitcher filtersCheapest start. Pick one certified to NSF/ANSI 53 for lead, such as Brita Elite, PUR Plus or ZeroWater.See pitchers Faucet-mount filtersFilters straight from the tap. Look for NSF/ANSI 53 lead reduction on the box.See faucet filters Under-sink systemsBest for families. Carbon block (NSF 53) or reverse osmosis (NSF 58) units rated for lead.See under-sink

Choosing a lead-certified filter · Testing your water · Replacement cost

Nearby cities

Check another water system

Questions

Does Castle Pines, CO have lead pipes?

None are confirmed, but Parker WSD still lists 82 service lines as unknown material.

Who supplies water to Castle Pines?

EPA's service area maps place most of Castle Pines in Parker WSD's service area (PWSID CO0118040). Castle Pines North MD also serves parts of the city or nearby areas.

How do I check whether my Castle Pines home has a lead service line?

Search your address on Parker WSD'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 Castle Pines 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 Parker WSD whether your street is scheduled and whether it covers the private side.