Historical Compliance Records CA

Mission Springs Water District

EPA ID: CA3310008 ยท 43,484 people served ยท 5 ZIP codes

ZipCheckup's reading of EPA SDWIS for Mission Springs Water District (CA3310008): 1 EPA violation in the last five years. Mission Springs Water District carries 1 resolved violation in the five-year EPA record - each has been formally closed, and the supplier, which serves approximately 43,484 people, now meets all applicable federal drinking water standards with no open enforcement activity remaining.

Data: EPA SDWIS

43,484
People Served
5
ZIP Codes Served
1
Violations (5yr)
Groundwater
Water Source
1
Contaminants Flagged
$283K
Median Home Value in Service Area

Service Area Map

Coverage area for Mission Springs Water District Source: EPA SDWIS service area boundaries.

Service area boundary

Service Area Demographics

$51,284
Median Household Income
77,608
Service Area Population
44%
Disadvantaged Population
50th
Poverty Percentile
40th
Energy Burden Percentile
58%
Pre-1986 Housing

The Mission Springs Water District serves a community with a median household income of $51,284 and an estimated 77,608 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.

Environmental Justice Note: 44% of the population in this service area is classified as disadvantaged under EPA's EJScreen criteria. Communities with higher disadvantaged populations often face disproportionate environmental and health burdens, including aging water infrastructure and limited resources for remediation.

๐Ÿ’ง Where Does Your Water Come From?

Groundwater

Mission Springs Water District'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.

Low Risk
Source Contamination Risk
30th
Wastewater Discharge Proximity
40th
Superfund Site Proximity

Infrastructure Risk

47 yr
Avg Pipe Age
Copper
Pipe Material
23 yr
Est. Remaining Life
Moderate Wear
Decay Status
Installed 67% of expected lifespan used End of life

Detected Contaminants

How Mission Springs Water District compares to EPA limits

What This Means For You

Total Coliform at 1 presence exceeds the EPA maximum of presence.

Comparable Water Systems

Similar-sized systems in California

2 violations
Diablo Water District
43,357 people
0 violations
City of El Centro
43,772 people
B 0 violations
Gswc - Norwalk
43,167 people
0 violations
Elk Grove Water District
43,813 people
B 0 violations

Estimated Remediation Costs

Average estimated costs across ZIP codes served by this system

Flood Insurance Radon Mitigation Water Filtration
Flood Insurance $960
Radon Mitigation $400
Water Filtration $60
Total Estimated Cost $1,420

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.

Cost of Inaction

If water quality issues in this service area are not addressed, the estimated financial impact per household is:

Estimated Healthcare Costs $500

Annual per household (CDC est.)

Estimated Cumulative Cost Per Household

5 years
$2,500
10 years
$5,000
20 years
$10,000

Compare: Estimated remediation cost is $1,420 (one-time) vs. $5,000 in estimated inaction costs over 10 years.

Estimates based on published EPA, CDC, and peer-reviewed research. Individual costs vary by household size, property, and health factors. These are conservative lower-bound estimates intended for awareness, not financial advice.

System Overview

Mission Springs Water District (EPA ID: CA3310008) is a community water system in California that serves approximately 43,484 people from groundwater sources.

This system provides water to 5 ZIP codes across 4 communities.

Violation History

No current noncompliance in the accepted 2026Q2 snapshot. The 1 record in the 2021-2026 window are classified as resolved or archived, not current.

Status breakdown for accepted records with record years 2021-2026: 1 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
December 1, 2021 Total Coliform Non-health-based Resolved

Contaminants Detected

The following contaminants have been flagged in EPA records for this water system:

Contaminant Category Violations Health-Based
Total Coliform Microbiological 1 No

Lead & Copper

EPA Lead and Copper Rule evidence attributed directly to this water system:

Lead Level Exceeds Action Level Sample Date
0 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 $20โ€“$50 (DIY kit) ยท Professional inspection: $150โ€“$400

Find the Right Water Filter

Free tip: Let cold water run for 2 minutes before drinking โ€” 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.

Data Sources

This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Mission Springs Water District (CA3310008) on EPA.gov.

Frequently Asked Questions

Is Mission Springs Water District water safe to drink?

The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Mission Springs Water District; its 1 accepted 2021-2026 record are resolved or archived. Historical compliance status does not establish conditions at a specific tap.

How many people does Mission Springs Water District serve?

Mission Springs Water District serves approximately 43,484 people across 5 ZIP codes in California.

Where does Mission Springs Water District get its water?

The primary water source is groundwater.

Federal UCMR5 PFAS Monitoring: Tested Clean

This water system was tested under the federal EPA Unregulated Contaminant Monitoring Rule (UCMR5). No PFAS compounds were detected.

Samples collected
406

Current MCL reflects the lowest state-enforceable limit (NYS 10 ppt for PFOA/PFOS, effective August 2020). The federal final MCL of 4 ppt for PFOA/PFOS (EPA April 2024 rule) is not enforceable until April 2029. Detections above 4 ppt but below 10 ppt are below current MCL but above the future federal limit.

Source: U.S. EPA UCMR5 (Unregulated Contaminant Monitoring Rule, 5th cycle) โ€” per-system federal sampling, 2023โ€“2025. EPA UCMR5 monitoring program โ†’

Understand PFAS health context and filtration โ†’

How Water Systems Appear in Rankings

Water systems are evaluated by violation history, contaminant detections, and service population. Larger systems with more service connections appear in more rankings.

Frequently Asked Questions

What contaminants are in Mission Springs Water District's water?
Detected contaminants include Total Coliform. Each is compared against EPA maximum contaminant levels (MCLs) in the detailed breakdown above.
Should I use a water filter?
Given 1 contaminant above EPA limits, a certified water filter can provide an extra layer of protection. The best type depends on specific contaminants in your water.
How many people does Mission Springs Water District serve?
Mission Springs Water District serves approximately 43,484 people with drinking water across 5 ZIP codes.
What is Mission Springs Water District's water source?
Mission Springs Water District draws water from groundwater sources. Source type affects which contaminants are most likely to be present.
What is the demographic profile of Mission Springs Water District's service area?
The Mission Springs Water District service area has a median household income of $51,284. EPA EJScreen data classifies 44% of the population as disadvantaged, which may indicate greater vulnerability to environmental health risks.
Where does Mission Springs Water District get its water?
Mission Springs Water District'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.

How to cite this page

APA ZipCheckup. (n.d.). Mission Springs Water District (CA): 1 EPA Violation. https://zipcheckup.com/water-system/ca3310008/
BibTeX
@misc{zipcheckup-water-system-ca3310008,
  author = {{ZipCheckup}},
  title  = {{Mission Springs Water District (CA): 1 EPA Violation}},
  year   = {n.d.},
  url    = {https://zipcheckup.com/water-system/ca3310008/}
}

What You Can Do

1

Test your water

Home test kits can detect lead, bacteria, and other contaminants at your tap. Find the right filter โ†’

2

Check your specific ZIP code

Water quality can vary within a system. View nearest ZIP report โ†’

3

Contact your utility

Mission Springs Water District (EPA ID: CA3310008) - request the latest Consumer Confidence Report or ask about specific contaminants.

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