Foster Road Mutual Water Company
EPA ID: CA4200556 · 150 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Foster Road Mutual Water Company (CA4200556): 45 EPA violations in the last five years. Over the past five years, Foster Road Mutual Water Company recorded 45 violations, all subsequently resolved through the EPA enforcement process - the supplier currently operates in good standing, with no active actions on file for its 150 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Foster Road Mutual Water Company Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Foster Road Mutual Water Company serves a community with a median household income of $108,501 and an estimated 44,350 residents across its service area. Approximately 58% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Foster Road Mutual Water Company's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
Infrastructure Risk
Detected Contaminants
How Foster Road Mutual Water Company compares to EPA limits
What This Means For You
Contaminant 2015 at 1 mg/L exceeds the EPA maximum of 0.0005 mg/L. Probable carcinogen; liver & thyroid damage, immune suppression. Consider granular activated carbon (GAC) filtration.
Mercury at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Kidney damage, neurological impairment. Consider activated carbon (GAC) filtration.
Atrazine at 1 mg/L exceeds the EPA maximum of 0.003 mg/L. Endocrine disruption, cardiovascular & reproductive effects. Consider granular activated carbon (GAC) filtration.
Cadmium at 1 mg/L exceeds the EPA maximum of 0.005 mg/L. Kidney damage accumulating over lifetime; probable carcinogen. Consider reverse osmosis filtration.
Benzene at 1 mg/L exceeds the EPA maximum of 0.005 mg/L.
Contaminant 2015 was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Foster Road Mutual Water Company (EPA ID: CA4200556) is a community water system in California that serves approximately 150 people from groundwater sources.
This system serves ZIP code 93455 in Santa Maria.
Violation History
Status breakdown for accepted records with record years 2021-2026: 45 resolved, 0 archived, 0 addressed, and 0 unaddressed. Under this source contract, current noncompliance is the sum of addressed and unaddressed records. Archived and resolved records are excluded from current noncompliance.
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| February 16, 2024 | Contaminant 2005 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2010 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2015 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2020 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2031 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2032 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2033 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2034 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2035 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2036 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2037 | Non-health-based | Resolved |
| February 16, 2024 | Atrazine | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2040 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2041 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2042 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2046 | Non-health-based | Resolved |
| February 16, 2024 | Benzene | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2051 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2063 | Non-health-based | Resolved |
| February 16, 2024 | Contaminant 2065 | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Lead | Inorganic | 2 | No |
| Copper | Inorganic | 2 | No |
| Barium | Inorganic | 1 | No |
| Cadmium | Inorganic | 1 | No |
| Chromium | Inorganic | 1 | No |
| Fluoride | Inorganic | 1 | No |
| Nickel | Inorganic | 1 | No |
| Nitrite | Inorganic | 1 | No |
| Contaminant 1036 | Other Violation | 1 | No |
| Contaminant 1045 | Other Violation | 1 | No |
| Mercury | Inorganic | 1 | No |
| Contaminant 1075 | Other Violation | 1 | No |
| Contaminant 1085 | Other Violation | 1 | No |
| Contaminant 2005 | Other Violation | 1 | No |
| Contaminant 2010 | Other Violation | 1 | No |
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| 0.0025 mg/L | No | N/A |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
Coverage: Service area ZIP codes sourced from EPA Community Water System Service Area Boundaries v3 (March 2026 release). These ZIPs reflect the actual deployment footprint recorded by CA or modeled from parcel and building-footprint data.
- 93455 - Santa Maria
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Foster Road Mutual Water Company (CA4200556) on EPA.gov.
Frequently Asked Questions
Is Foster Road Mutual Water Company water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Foster Road Mutual Water Company; its 45 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Foster Road Mutual Water Company serve?
Foster Road Mutual Water Company serves approximately 150 people across 1 ZIP code in California.
Where does Foster Road Mutual Water Company get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Foster Road Mutual Water Company (CA): 45 EPA Violations. https://zipcheckup.com/water-system/ca4200556/
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title = {{Foster Road Mutual Water Company (CA): 45 EPA Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca4200556/}
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What You Can Do
Test your water
Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter →
Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Foster Road Mutual Water Company (EPA ID: CA4200556) - request the latest Consumer Confidence Report or ask about specific contaminants.