Marana Dwid - Derringer
EPA ID: AZ0410139 · 1,950 people served · 1 ZIP code
ZipCheckup's reading of EPA SDWIS for Marana Dwid - Derringer (AZ0410139): 2 past health-based violations, since resolved. Beyond the 38 historical violations on Marana Dwid - Derringer's EPA record, nothing remains open - the utility is currently compliant and supplies water to 1,950 residents.
Data: EPA SDWIS
Service Area Map
Coverage area for Marana Dwid - Derringer Source: EPA SDWIS service area boundaries.
Service area boundary
Service Area Demographics
The Marana Dwid - Derringer serves a community with a median household income of $84,188 and an estimated 22,796 residents across its service area.
Environmental Justice Note: 39% 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.
💧 Where Does Your Water Come From?
Marana Dwid - Derringer'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 Marana Dwid - Derringer compares to EPA limits
What This Means For You
PFOA at 1 mg/L exceeds the EPA maximum of 0.000004 mg/L.
PFNA at 1 mg/L exceeds the EPA maximum of 0.00001 mg/L.
Chlorodibromomethane at 1 mg/L exceeds the EPA maximum of 0.002 mg/L. Liver cancer, brain cancer (known carcinogen). Consider granular activated carbon (GAC) filtration.
Lead at 2 mg/L (action level) exceeds the EPA maximum of 0.015 mg/L (action level). Brain damage in children, kidney & blood pressure in adults. Consider reverse osmosis filtration.
Bromate at 1 mg/L exceeds the EPA maximum of 0.01 mg/L.
PFAS Detected in Service Area
PFAS ("forever chemicals") have been detected in water serving this system's area. 6 detections recorded. 3 exceed federal EPA limits (4 ppt for PFOA/PFOS). 1 exceeds state limits.
Chlorodibromomethane 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
Marana Dwid - Derringer (EPA ID: AZ0410139) is a community water system in Arizona that serves approximately 1,950 people from groundwater sources.
This system serves ZIP code 85653 in Marana.
Violation History
Status breakdown for accepted records with record years 2021-2026: 38 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, 2025 | Stage 1 DBP Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Non-health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 1, 2024 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Non-health-based | Resolved |
| July 1, 2024 | Total Trihalomethanes (TTHM) | Non-health-based | Resolved |
| October 2, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| October 2, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| April 2, 2022 | Lead and Copper Rule | Non-health-based | Resolved |
| October 2, 2021 | Surface Water Treatment Rule | Non-health-based | Resolved |
| September 5, 2021 | Stage 1 DBP Rule | Non-health-based | Resolved |
| July 1, 2021 | Surface Water Treatment Rule | Non-health-based | Resolved |
| July 1, 2021 | Lead | Non-health-based | Resolved |
| July 1, 2021 | PFOA | Non-health-based | Resolved |
| July 1, 2021 | PFNA | Non-health-based | Resolved |
| July 1, 2021 | Monochloroacetic Acid | Non-health-based | Resolved |
| July 1, 2021 | Dichloroacetic Acid | Non-health-based | Resolved |
| July 1, 2021 | Bromodichloromethane | Non-health-based | Resolved |
| July 1, 2021 | Dibromochloromethane | Non-health-based | Resolved |
| July 1, 2021 | Bromoform | Non-health-based | Resolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Lead and Copper Rule | Treatment Failure | 3 | No |
| Lead | Inorganic | 2 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| PFOA | PFAS | 1 | No |
| PFNA | PFAS | 1 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 1 | No |
| Monochloroacetic Acid | Disinfection Byproducts | 1 | No |
| Dichloroacetic Acid | Disinfection Byproducts | 1 | No |
| Bromodichloromethane | Disinfection Byproducts | 1 | No |
| Dibromochloromethane | Disinfection Byproducts | 1 | No |
| Bromoform | Disinfection Byproducts | 1 | No |
| Chlorodibromomethane | Disinfection Byproducts | 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 $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 AZ or modeled from parcel and building-footprint data.
- 85653 - Marana
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Marana Dwid - Derringer (AZ0410139) on EPA.gov.
Frequently Asked Questions
Is Marana Dwid - Derringer water safe to drink?
The accepted 2026Q2 ECHO snapshot shows no current noncompliance for Marana Dwid - Derringer; its 38 accepted 2021-2026 records are resolved or archived. Historical compliance status does not establish conditions at a specific tap.
How many people does Marana Dwid - Derringer serve?
Marana Dwid - Derringer serves approximately 1,950 people across 1 ZIP code in Arizona.
Where does Marana Dwid - Derringer get its water?
The primary water source is groundwater.
Frequently Asked Questions
How to cite this page
ZipCheckup. (n.d.). Marana Dwid - Derringer (AZ): 2 Health Violations. https://zipcheckup.com/water-system/az0410139/
@misc{zipcheckup-water-system-az0410139,
author = {{ZipCheckup}},
title = {{Marana Dwid - Derringer (AZ): 2 Health Violations}},
year = {n.d.},
url = {https://zipcheckup.com/water-system/az0410139/}
}
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
Marana Dwid - Derringer (EPA ID: AZ0410139) - request the latest Consumer Confidence Report or ask about specific contaminants.