City of Carrizo Springs
EPA ID: TX0640002 · 5,830 people served · 1 ZIP code
Federal data shows 6 unresolved violations at City of Carrizo Springs — roughly 5,830 residents in the service area.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for City of Carrizo Springs Source: EPA SDWIS service area boundaries.
Service area boundary — Grade A
Service Area Demographics
The City of Carrizo Springs serves a community with a median household income of $36,250 and an estimated 7,204 residents across its service area. Approximately 59% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
Environmental Justice Note: 100% 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?
City of Carrizo Springs'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.
About 0% of homes in Dimmit County, Texas rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How City of Carrizo Springs compares to EPA limits
What This Means For You
Stage 1 DBP Rule at 10 mg/L exceeds the EPA maximum of mg/L.
Lead and Copper Rule at 9 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Total Organic Carbon at 1 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 1 mg/L exceeds the EPA maximum of mg/L.
Comparable Water Systems
Similar-sized systems in Texas
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
City of Carrizo Springs (EPA ID: TX0640002) is a community water system in Texas that serves approximately 5,830 people from groundwater sources.
This system serves ZIP code 78834 in Carrizo Springs.
Average Home Safety Score: A (94/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| August 8, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| June 30, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| April 1, 2025 | Stage 1 DBP Rule | Monitoring | Resolved |
| March 10, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| February 22, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Health-based | Resolved |
| October 17, 2024 | Stage 2 DBP Rule | Monitoring | Resolved |
| September 29, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| January 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| September 29, 2023 | Stage 1 DBP Rule | Monitoring | Resolved |
| July 1, 2023 | Surface Water Treatment Rule | Monitoring | Resolved |
| July 1, 2023 | Stage 1 DBP Rule | Monitoring | Unresolved |
| April 1, 2023 | Total Organic Carbon | Monitoring | Resolved |
| March 5, 2023 | Lead and Copper Rule | Monitoring | 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 | 10 | No |
| Lead and Copper Rule | Treatment Failure | 9 | No |
| Stage 2 DBP Rule | Treatment Failure | 2 | Yes |
| Total Organic Carbon | Disinfection Byproducts | 1 | No |
| Surface Water Treatment Rule | Treatment Failure | 1 | No |
| Revised Total Coliform Rule | Microbiological | 1 | No |
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 78834 | 0.0011 mg/L | No | N/A |
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 3 (Low Risk)
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 TX or modeled from parcel and building-footprint data.
- 78834 — Carrizo Springs
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Carrizo Springs (TX0640002) on EPA.gov.
Frequently Asked Questions
Is City of Carrizo Springs water safe to drink?
City of Carrizo Springs has recorded 1 health-based violation in the past 5 years. While the system is required to treat water to meet federal standards, you may want to consider additional precautions such as a certified water filter.
How many people does City of Carrizo Springs serve?
City of Carrizo Springs serves approximately 5,830 people across 1 ZIP code in Texas.
Where does City of Carrizo Springs 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.
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) — per-system federal sampling, 2023–2025. EPA UCMR5 monitoring program →
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
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 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
City of Carrizo Springs (EPA ID: TX0640002) — request the latest Consumer Confidence Report or ask about specific contaminants.