Lead Pipe Map

California · 16 community water systems

Lead pipes in Tuolumne County, CA

16 community water systems serving Tuolumne County reported 0 lead and 0 galvanized-requiring-replacement service lines, plus 79 of unknown material.

0% of these systems' lines are lead or galvanized requiring replacement, lower than the California average (0.1%) and lower than the national average (3.1%).

0Lead
0Galvanized, replace
79Unknown
19,859Non-lead

Water systems serving Tuolumne County

Water systemLeadGalv.Unknown% leadPeople
Sierra Park Water Company INC.Tuolumne County00400%100
Twain Harte Valley MWCTuolumne County00380%202
Long Barn Property OwnersTuolumne County0010%97
Tud - Upper Basin Water SystemTuolumne County0000%13,331
Tud - Sonora/Jamestown Water SystemTuolumne County0000%11,113
Tud - Columbia Water SystemTuolumne County0000%5,482
CDCR - Sierra Conservation CenterTuolumne County0000%3,571
Groveland Community Serv DistTuolumne County0000%3,400
Twain Harte Community Services DistrictTuolumne County0000%2,378
Tud - Tuolumne Water SystemSonora0000%1,798
Tud - PonderosaTuolumne County0000%1,781
Cold Springs Water CoTuolumne County0000%1,771
Lake Don Pedro CSDTuolumne County0000%1,700
Phoenix Lake Estates CC MWCTuolumne County0000%1,168
Sonora Meadows Mutual WTR CoTuolumne County000–1,123
Mi Wuk Village Mut WTR CoTuolumne County0000%1,076

Systems that also serve other counties are counted in full. Your water bill names your utility.

What to do if your line is lead or unknown

  1. Check the pipe where water enters your home.
  2. Use a filter certified to NSF/ANSI 53 for lead for drinking and cooking.
  3. Test your water, often free through the utility.
  4. Ask your utility about free or discounted replacement; most lines must be replaced by December 31, 2037.

Check another water system

Questions

Does Tuolumne County have lead pipes?

No confirmed lead lines were reported, but 79 service lines are still of unknown material.

How do I check my home in Tuolumne County?

Find the water system named on your water bill in the table above, open its page and use its address-level inventory. You can also scratch-test the pipe where it enters your home.