City of Carthage
EPA ID: TX1830001 · 6,770 people served · 1 ZIP code
Current EPA status: City of Carthage, 6 open violations, 6,770 people served.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for City of Carthage Source: EPA SDWIS service area boundaries.
Service area boundary — Grade B
Service Area Demographics
The City of Carthage serves a community with a median household income of $63,960 and an estimated 12,999 residents across its service area. Approximately 55% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
🌊 Where Does Your Water Come From?
City of Carthage'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.
About 2% of homes in Panola 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 Carthage compares to EPA limits
What This Means For You
Total Trihalomethanes (TTHM) at 9 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Haloacetic Acids (HAA5) at 3 mg/L exceeds the EPA maximum of 0.06 mg/L. Cancer risk; reproductive & developmental effects. Consider granular activated carbon (GAC) filtration.
Lead and Copper Rule at 9 mg/L exceeds the EPA maximum of mg/L.
Stage 2 DBP Rule at 6 mg/L exceeds the EPA maximum of mg/L.
Stage 1 DBP Rule at 3 mg/L exceeds the EPA maximum of mg/L.
Total Trihalomethanes (TTHM) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
Find a certified water filter →Comparable Water Systems
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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
City of Carthage (EPA ID: TX1830001) is a community water system in Texas that serves approximately 6,770 people from surface water sources.
This system serves ZIP code 75633 in Carthage.
Average Home Safety Score: B (70/100)
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 |
|---|---|---|---|
| July 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| May 15, 2025 | Lead and Copper Rule | Monitoring | Unresolved |
| May 1, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| February 9, 2025 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2025 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| December 30, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| December 1, 2024 | 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 |
| October 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| July 1, 2024 | Stage 1 DBP Rule | Monitoring | Resolved |
| October 1, 2023 | Stage 1 DBP Rule | Monitoring | Resolved |
| August 25, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| April 9, 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 |
|---|---|---|---|
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 9 | Yes |
| Lead and Copper Rule | Treatment Failure | 9 | No |
| Stage 2 DBP Rule | Treatment Failure | 6 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 3 | Yes |
| Stage 1 DBP Rule | Treatment Failure | 3 | No |
| Total Coliform | Microbiological | 1 | No |
| Consumer Confidence Report Rule | Reporting Failure | 1 | No |
Health Risk Details
Total Trihalomethanes (TTHM) (EPA limit: 0.08 mg/L)
Bladder & rectal cancer risk; reproductive concerns At-risk groups: pregnant women, long-term consumers of chlorinated water, people who frequently shower in chlorinated water.
Removal methods: granular activated carbon (GAC), carbon block filter, point-of-entry aeration. Find the right filter →
Haloacetic Acids (HAA5) (EPA limit: 0.06 mg/L)
Cancer risk; reproductive & developmental effects At-risk groups: pregnant women, infants, long-term consumers of chlorinated municipal water.
Removal methods: granular activated carbon (GAC), carbon block filter, reverse osmosis. Find the right filter →
Lead & Copper
EPA Lead and Copper Rule sampling data for ZIP codes served by this system:
| ZIP Code | Lead Level | Exceeds Limit | Sample Date |
|---|---|---|---|
| 75633 | 0.0018 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.
- 75633 — Carthage
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for City of Carthage (TX1830001) on EPA.gov.
Frequently Asked Questions
Is City of Carthage water safe to drink?
City of Carthage has recorded 13 health-based violations 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 Carthage serve?
City of Carthage serves approximately 6,770 people across 1 ZIP code in Texas.
Where does City of Carthage get its water?
The primary water source is surface water.
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:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
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.
- #22 / 50 Most Unresolved Health Violations (Texas)
- #46 / 50 Highest Exposure Burden (Texas)
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 Carthage (EPA ID: TX1830001) — request the latest Consumer Confidence Report or ask about specific contaminants.