Lead Pipe Map

California · 31 community water systems

Lead pipes in San Luis Obispo County, CA

31 community water systems serving San Luis Obispo County reported 0 lead and 1,035 galvanized-requiring-replacement service lines, plus 25 of unknown material. The most are in San Luis Obispo Water Department.

1.1% of these systems' lines are lead or galvanized requiring replacement, higher than the California average (0.1%) and lower than the national average (3.1%).

0Lead
1,035Galvanized, replace
25Unknown
94,026Non-lead

Water systems serving San Luis Obispo County

Water systemLeadGalv.Unknown% leadPeople
San Luis Obispo Water DepartmentSan Luis Obispo County089004.9%49,534
Slocsa #10a - CayucosSan Luis Obispo County06608.4%1,200
California Mens ColonySan Luis Obispo County045019%15,000
Slo CWWD No. 23 - Santa MargaritaSan Luis Obispo County02505.0%1,291
Green River Mutual Water Co.San Luis Obispo County0907.7%350
Higuera ApartmentsSan Luis Obispo County00250%30
Atascadero Mutual Water CoSan Luis Obispo County0000%33,307
City of Paso Robles Water DivisionSan Luis Obispo County0000%31,176
City of Arroyo Grande Utilities DivisionSan Luis Obispo County0000%17,963
Nipomo Comm Services DistSan Luis Obispo County0000%13,771
City of Grover Beach Public Works DeptSan Luis Obispo County0000%12,701
Morro Bay PW Dept - Water DivisionSan Luis Obispo County0000%10,757
Templeton CSDSan Luis Obispo County0000%8,041
Pismo Beach Water DepartmentSan Luis Obispo County0000%7,944
Oceano Comm Services Dist.San Luis Obispo County0000%7,598
Los Osos Community Services DistrictSan Luis Obispo County0000%7,086
Cambria Comm Services DistSan Luis Obispo County0000%6,038
Golden State Water Company - Los OsosSan Luis Obispo County0000%5,942
Golden State Water Company - NipomoSan Luis Obispo County0000%4,512
Woodlands DevelopmentSan Luis Obispo County0000%3,862
San Miguel Community Services DistrictSan Luis Obispo County0000%3,019
Heritage Ranch CSDSan Luis Obispo County0000%2,956
Cayucos Beach Mutual Water CompanySan Luis Obispo County0000%2,567
Nacimiento Water CompanySan Luis Obispo County0000%2,191
Morro Rock Mutual Water CoSan Luis Obispo County0000%2,181
Golden State Water Company-Cypress RidgeSan Luis Obispo County0000%2,032
Avila Beach Community Services DistrictSan Luis Obispo County0000%1,630
San Miguelito MWCSan Luis Obispo County0000%1,600
Golden State Water Company - EdnaSan Luis Obispo County0000%1,495
Atascadero State HospitalSan Luis Obispo County0000%1,100
Slo Csa No. 16 - ShandonSan Luis Obispo County0000%1,085

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 San Luis Obispo County have lead pipes?

Yes. Water systems serving San Luis Obispo County reported 0 lead and 1,035 galvanized-requiring-replacement service lines, plus 25 of unknown material.

Which San Luis Obispo County water systems have the most lead lines?

San Luis Obispo Water Department (890), Slocsa #10a - Cayucos (66), California Mens Colony (45).

How do I check my home in San Luis Obispo 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.