Heritage Ranch Csd
EPA ID: CA4010012 · 2,956 people served · 3 ZIP codes
ZipCheckup's reading of EPA records for Heritage Ranch Csd (CA4010012): 10 health-based violations recorded since 2021. Looking at the EPA enforcement file for Heritage Ranch Csd, 10 violations are listed in the dataset, and none is recorded as open for the 2,956 people in its service area.
Data: EPA SDWIS
Service Area Map
Coverage area for Heritage Ranch Csd Source: EPA SDWIS service area boundaries.
Service area boundary
Demographics of ZIP Codes Served
The ZIP codes associated with Heritage Ranch Csd have a median household income of $94,512 and about 52,375 residents live in those ZIP codes (Census; not the number of people this system supplies). Approximately 41% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
Heritage Ranch Csd's water is drawn from rivers, lakes, or reservoirs. Surface water sources are more exposed to agricultural runoff, stormwater, and upstream discharges, but they typically receive more intensive treatment before reaching your tap.
Infrastructure Risk
PFAS in ZIP Codes This System Serves
PFAS ("forever chemicals") have been reported in samples from water systems associated with the ZIP codes in this system's area. These results can come from other water systems serving the same ZIP codes; check the UCMR5 section for any results reported for this system. 7 detections recorded. 1 detection is above the level of a federal PFAS MCL (4 ppt for PFOA and PFOS), with compliance required from 2029.
Comparable Water Systems
Similar-sized systems in California
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
Heritage Ranch Csd (EPA ID: CA4010012) is a community water system in California that serves approximately 2,956 people from surface water sources.
This system provides water to 3 ZIP codes across 3 communities.
Violation History
Status breakdown for accepted records with record years 2021-2026: 10 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 |
|---|---|---|---|
| January 1, 2024 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| October 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| July 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2023 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| January 1, 2023 | TTHM | Health-based | Resolved |
| October 1, 2022 | TTHM | Health-based | Resolved |
| October 1, 2022 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| July 1, 2022 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2022 | Total Haloacetic Acids (HAA5) | Health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL Violation | 8 | Yes |
| TTHM | MCL Violation | 2 | Yes |
Health Risk Details
Total Trihalomethanes (TTHM) (EPA limit: 0.08 mg/L)
Long-term exposure is associated with increased cancer risk, including bladder cancer; possible reproductive effects At-risk groups: pregnant women, long-term consumers of chlorinated water.
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, point-of-entry aeration. Find the right filter →
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Increased risk of cancer
Treatment options (verify a product is certified to reduce this contaminant): granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule evidence attributed directly to this water system:
| Lead Level | Exceeds Action Level | Sample Date |
|---|---|---|
| Below the reporting limit | No | 2025-12-31 |
No copper action-level exceedance record appears for this PWSID in the accepted LCR snapshot. This does not establish a clean copper measurement.
Radon Risk in Service Area
3 of 3 ZIP records with known zones are in EPA Radon Zone 2.
The EPA recommends testing all homes regardless of radon zone. County radon zones cannot replace an in-home radon test.
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.
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View available EPA compliance records for Heritage Ranch Csd (CA4010012) on EPA.gov.
Frequently Asked Questions
Is Heritage Ranch Csd water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Heritage Ranch Csd; its 10 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Heritage Ranch Csd serve?
Heritage Ranch Csd serves approximately 2,956 people across 3 ZIP codes in California.
Where does Heritage Ranch Csd get its water?
The primary water source is surface water.
Federal UCMR5 PFAS Monitoring: No PFAS Reported Above Reporting Levels
This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were reported above UCMR5 minimum reporting levels.
EPA's April 2024 PFAS rule sets MCLs of 4 ppt for PFOA and PFOS and 10 ppt for PFHxS, PFNA and HFPO-DA (GenX); water systems must comply from 2029. Other PFAS compounds have no individual federal MCL. A state standard is shown only where this system's state has its own enforceable PFAS limit. Detection results are EPA UCMR5 samples, not a measurement at your tap.
Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Heritage Ranch Csd (CA): 10 Health Violations. https://zipcheckup.com/water-system/ca4010012/
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title = {{Heritage Ranch Csd (CA): 10 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/ca4010012/}
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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
Heritage Ranch Csd (EPA ID: CA4010012) - request the latest Consumer Confidence Report or ask about specific contaminants.