Cwm Water Authority
EPA ID: AL0001764 · 1,749 people served · 1 ZIP code
In the current EPA monitoring period, Cwm Water Authority has 5 violations still listed as unresolved, with the utility supplying water to approximately 1,749 residents.
Data: EPA SDWIS Last verified: 2026-04-02
Compliance Trajectory
Worsening · Risk tier: High · 95% chance of violation in next 12 months
Violations went from 1 (2022) to 5 (2024). The pattern suggests growing compliance challenges.
Service Area Demographics
The Cwm Water Authority serves a community with a median household income of $71,058 and an estimated 783 residents across its service area. Approximately 57% 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?
Cwm Water Authority'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 Clarke County, Alabama 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 Cwm Water Authority compares to EPA limits
What This Means For You
Total Trihalomethanes (TTHM) at 10 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Lead at 1 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.
Haloacetic Acids (HAA5) at 2 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 3 mg/L exceeds the EPA maximum of mg/L.
Contaminant 1045 at 1 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
Cwm Water Authority (EPA ID: AL0001764) is a community water system in Alabama that serves approximately 1,749 people from surface water sources.
This system serves ZIP code 36436 in Dickinson.
Average Home Safety Score: B (73/100)
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 |
|---|---|---|---|
| October 1, 2024 | Total Organic Carbon | Monitoring | Resolved |
| July 1, 2024 | Haloacetic Acids (HAA5) | Health-based | Resolved |
| April 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| March 11, 2024 | Lead and Copper Rule | Monitoring | Resolved |
| January 1, 2024 | Total Trihalomethanes (TTHM) | Health-based | Resolved |
| January 1, 2024 | Lead | Monitoring | Resolved |
| November 3, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| October 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| July 12, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| July 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| June 9, 2023 | Lead and Copper Rule | Monitoring | Resolved |
| April 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
| March 7, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Health-based | Unresolved |
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 | 10 | Yes |
| Lead and Copper Rule | Treatment Failure | 3 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 2 | Yes |
| Lead | Inorganic | 1 | No |
| Contaminant 1045 | Other Violation | 1 | No |
| Total Organic Carbon | Disinfection Byproducts | 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 |
|---|---|---|---|
| 36436 | 0.005 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
- 36436 — Dickinson
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Cwm Water Authority (AL0001764) on EPA.gov.
Frequently Asked Questions
Is Cwm Water Authority water safe to drink?
Cwm Water Authority has recorded 9 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 Cwm Water Authority serve?
Cwm Water Authority serves approximately 1,749 people across 1 ZIP code in Alabama.
Where does Cwm Water Authority get its water?
The primary water source is surface water.
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.
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
Cwm Water Authority (EPA ID: AL0001764) — request the latest Consumer Confidence Report or ask about specific contaminants.