Lead Pipe Map

Harris County, TX · PWSID TX1010728

Mount Houston Road MUD lead service lines

No lead lines reported

Mount Houston Road MUD reported 1,784 service lines and no lead, galvanized-requiring-replacement or unknown lines. That's good news for the service line. Older homes can still have lead solder or brass fixtures inside, so testing is the only sure check.

0% of Mount Houston Road MUD's service lines are lead or galvanized requiring replacement. That's lower than the Texas average (1.2%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
0Unknown material
1,784Non-lead

Total service lines reported: 1,784. Reported all required service line types. Population served: 5,346; 1,782 connections.

Lead test results

Mount Houston Road MUD's most recent 90th-percentile lead result (Jan 2022–Dec 2024) was 0.5 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.

1510Jan 2014–Dec 2016: 3.5 ppb2014Jan 2018–Jun 2018: 1.2 ppb2018Jul 2018–Dec 2018: 2.3 ppb2018Jan 2019–Dec 2021: 2 ppb2019Jan 2022–Dec 2024: 0.5 ppb2022

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.

Lead rule violations

EPA's data lists 1 Lead and Copper Rule violation since 2015 for Mount Houston Road MUD. Health-based violations are treatment failures, such as corrosion control or public education; the rest are missed monitoring or reporting.

BeganViolationStatus
Sep 2018Lead consumer notice not delivered or reportedReturned to compliance

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

Where the water comes from

Mount Houston Road MUD's main water source is groundwater (wells). It buys treated water from City of Houston. The seller treats the water, including corrosion control that keeps lead from dissolving out of pipes, while Mount Houston Road MUD is responsible for its own service line inventory and replacement program. It sells water to 2 other water systems: Harris County MUD 118, Forest Hills MUD.

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 Mount Houston Road MUD 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 Harris County

Other water systems nearby

SystemLead + galv.Unknown
City of Deer Park2154,263
City of South Houston1,5542,865
City of Humble2981
Harris County WCID 368906
City of Jacinto City5890
Harris County WCID 18260
Sunbelt FWSD Oakwilde Subdivision3310
City of Spring Valley Village193656

Check another water system

Questions

Does Mount Houston Road MUD have lead pipes?

Mount Houston Road MUD reported no lead, galvanized-requiring-replacement or unknown service lines among 1,784 lines.

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

Look up your address on Mount Houston Road MUD'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 Mount Houston Road MUD 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 Mount Houston Road MUD had lead violations?

EPA's data shows 1 Lead and Copper Rule violation since 2015 for Mount Houston Road MUD.

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, "Mount Houston Road MUD lead service lines," https://leadpipemap.com/tx/mount-houston-road-mud/. Source: EPA SDWIS service line inventory, 2026 Q3. Download the full dataset on the data page.