F0/100
DANVILLE WATERWORKS — Water Quality Report 2026
Serving 2,810 people · Arkansas
Water Source
Surface Water
County
—
System ID
AR0000603
Violations
79
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.013 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
18
Violations (last 5yr)
16
Unresolved
16
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2025 – June 30, 2025Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved
Violation related to Nitrate
When: February 1, 2025 – February 28, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: January 1, 2025 – January 31, 2025Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: February 1, 2024 – February 29, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 1 — URGENTUnresolved
Violation related to Nitrate
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: January 1, 2024 – January 31, 2024Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: January 1, 2023 – January 31, 2023Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: December 1, 2022 – December 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: November 1, 2022Rule: Ground Water RuleEnforcement: Formal — state order issued
TIER 2Unresolved
Failed treatment technique requirements
When: November 1, 2022 – November 30, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: November 1, 2022 – November 30, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: October 1, 2022 – October 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: August 1, 2022 – August 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: January 1, 2022 – January 31, 2022Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: December 1, 2021 – December 31, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved
Failed treatment technique requirements
When: November 1, 2021 – November 30, 2021Rule: Surface Water Treatment RuleEnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: June 1, 2021 – September 24, 2021Rule: Ground Water RuleEnforcement: Formal — state order issued
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About DANVILLE WATERWORKS
Is DANVILLE WATERWORKS water safe to drink?
DANVILLE WATERWORKS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 79 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has DANVILLE WATERWORKS detected?
1 contaminants were tested in DANVILLE WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does DANVILLE WATERWORKS have any EPA violations?
Yes, DANVILLE WATERWORKS has 79 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, TT, Other. 63 are health-based violations.
How many people does DANVILLE WATERWORKS serve?
DANVILLE WATERWORKS serves approximately 2,810 people, Arkansas.
What type of water does DANVILLE WATERWORKS provide?
DANVILLE WATERWORKS sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is AR0000603.
How does DANVILLE WATERWORKS compare to other utilities in Arkansas?
DANVILLE WATERWORKS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arkansas state page for a full comparison of water systems.