MARVELL WATERWORKS
PWS ID: AR0000421 · MARVELL, Arkansas 72366
MARVELL WATERWORKS serves 1,035 people in MARVELL, Arkansas using Groundwater water sources. It has 85 recorded EPA violations, including 20 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).
Water Quality Snapshot: MARVELL WATERWORKS
MARVELL WATERWORKS is a local-owned community water system that delivers drinking water to 1,035 residents in MARVELL, Arkansas (Phillips County) through 414 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 85 total violations for this system , of which 20 (24%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 28 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.
The most frequently cited contaminant at this system is Revised Total Coliform Rule, recorded in 33 violations (RPT). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 32.9 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.
Across Arkansas, EPA tracks 1,016 public water systems serving 3,049,400 people, with 53,437 cumulative violations and 21,598 health-based violations on record. About 94% of systems in the state carry at least one violation, and state-wide the average per system is 52.6 violations. MARVELL WATERWORKS's 85 violations sit above the Arkansas average. Statewide, 57 of 172 UCMR5-tested systems have reported PFAS detections (33.1%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 414
- County
- Phillips
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 28
- Treatment Tech Violations
- 15
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Revised Total Coliform Rule | RPT | 33 | 2025 |
| Lead and Copper Rule | MR | 10 | 2016 |
| Revised Total Coliform Rule | MON | 10 | 2022 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 9 | 2018 |
| Lead and Copper Rule | TT | 6 | 2018 |
| Coliform (TCR) | MCL | 5 | 2009 |
| Public Notice | Other | 3 | 2018 |
| E. COLI | MR | 3 | 2025 |
| Coliform (TCR) | MR | 3 | 2004 |
| Chlorine | MR | 2 | 2004 |
| Consumer Confidence Rule | Other | 1 | 2005 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 2 of 60 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| PFTA | 8/6/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFPeS | 8/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NFDHA | 8/6/2024 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| PFEESA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 8/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| NMeFOSAA | 8/6/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFTrDA | 8/6/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| lithium | 8/6/2024 | 32.9000 µg/L | 9 µg/L | Detected |
| NEtFOSAA | 8/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFBA | 8/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 8/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFMPA | 8/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 8/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| 6:2 FTS | 8/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMBA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 8/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 8/6/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 8/6/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 8/6/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 8/6/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 4:2 FTS | 8/6/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOA | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFNA | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHxS | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTrDA | 2/14/2024 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| lithium | 2/14/2024 | 28.4000 µg/L | 9 µg/L | Detected |
| NMeFOSAA | 2/14/2024 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| PFTA | 2/14/2024 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| NEtFOSAA | 2/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFPeA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpS | 2/14/2024 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 2/14/2024 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 8:2 FTS | 2/14/2024 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 2/14/2024 | <0.002 µg/L | 0.002 µg/L | Not Detected |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for MARVELL WATERWORKS.
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID AR0000421 on SDWISSource: EPA SDWIS Federal Reports Search
Arkansas Drinking Water Authority
Arkansas's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find AR regulator via EPA SDWISViolation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2025 | Revised Total Coliform Rule | RPT | 33 | SDWIS / AR0000421 / 8000 |
| 2025 | E. COLI | MR | 3 | SDWIS / AR0000421 / 3014 |
| 2022 | Revised Total Coliform Rule | MON | 10 | SDWIS / AR0000421 / 8000 |
| 2018 | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | 9 | SDWIS / AR0000421 / 0400 |
| 2018 | Lead and Copper Rule | TT | 6 | SDWIS / AR0000421 / 5000 |
| 2018 | Public Notice | Other | 3 | SDWIS / AR0000421 / 7500 |
| 2016 | Lead and Copper Rule | MR | 10 | SDWIS / AR0000421 / 5000 |
| 2009 | Coliform (TCR) | MCL | 5 | SDWIS / AR0000421 / 3100 |
| 2005 | Consumer Confidence Rule | Other | 1 | SDWIS / AR0000421 / 7000 |
| 2004 | Coliform (TCR) | MR | 3 | SDWIS / AR0000421 / 3100 |
| 2004 | Chlorine | MR | 2 | SDWIS / AR0000421 / 0999 |
How MARVELL WATERWORKS Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | MARVELL WATERWORKS | Arkansas avg | Federal benchmark |
|---|---|---|---|
| Total violations | 85 | 52.6 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 20 | 21.3 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | 1 compound | 33.1% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 1,035 | 3,001 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,016 regulated public water systems in Arkansas.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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Related Data for Arkansas
Read our methodology — how this data is sourced, computed, and verified.