CONWAY PWS
PWS ID: MO5010185 · CONWAY, Missouri 65632-0000
CONWAY PWS serves 788 people in CONWAY, Missouri using Groundwater water sources. It has 93 recorded EPA violations, including 78 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: CONWAY PWS
CONWAY PWS is a local-owned community water system that delivers drinking water to 788 residents in CONWAY, Missouri (Laclede County) through 338 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 93 total violations for this system , of which 78 (84%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 8 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.
The most frequently cited contaminant at this system is Coliform (TCR), recorded in 78 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across Missouri, EPA tracks 2,823 public water systems serving 5,855,885 people, with 201,695 cumulative violations and 54,821 health-based violations on record. About 95% of systems in the state carry at least one violation, and state-wide the average per system is 71.4 violations. CONWAY PWS's 93 violations sit above the Missouri average. Statewide, 162 of 230 UCMR5-tested systems have reported PFAS detections (70.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 338
- County
- Laclede
- School/Daycare
- No
- MCL Violations
- 78
- Monitoring Violations
- 8
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 78 | 2015 |
| Coliform (TCR) | MR | 8 | 2010 |
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 CONWAY PWS.
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 MO5010185 on SDWISSource: EPA SDWIS Federal Reports Search
Missouri Drinking Water Authority
Missouri DNR — Public Drinking Water Branch is the primacy agency that licenses and inspects CONWAY PWS under EPA-delegated authority.
Open MO regulator portalViolation 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 |
|---|---|---|---|---|
| 2015 | Coliform (TCR) | MCL | 78 | SDWIS / MO5010185 / 3100 |
| 2010 | Coliform (TCR) | MR | 8 | SDWIS / MO5010185 / 3100 |
How CONWAY PWS Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | CONWAY PWS | Missouri avg | Federal benchmark |
|---|---|---|---|
| Total violations | 93 | 71.4 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 78 | 19.4 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 70.4% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 788 | 2,074 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 2,823 regulated public water systems in Missouri.
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
Is CONWAY PWS water safe to drink? ▼
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What type of violations does CONWAY PWS have? ▼
Has PFAS been detected in CONWAY PWS water? ▼
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Related Data for Missouri
Read our methodology — how this data is sourced, computed, and verified.