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Community Water System · PWS MO4010018

Anniston PWS

Springfield, Missouri 65804-0000 - drinking water served from groundwater sources to 175 people, tracked in EPA SDWIS and UCMR5.

175
People served
119
EPA violations
10
Health-based
Untested
UCMR5 result

The verdict

EPA records 119 drinking-water violations at Anniston PWS, 8% of them health-based - above the Missouri per-system average.

119
Total EPA violations on record
8%
Health-based (MCL / treatment failure)
175
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Anniston PWS

Anniston PWS is a local-owned community water system that delivers drinking water to 175 residents in Springfield, Missouri (Mississippi County) through 90 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 119 total violations for this system , of which 10 (8%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 87 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 43 violations (MON). 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. Statewide, 71 of 230 UCMR5-tested systems have reported PFAS detections (30.9%).

Anniston PWS's 119 violations sit above the Missouri average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
175
Total Violations
119
Health-Based Violations
10
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
90
County
Mississippi
School/Daycare
No
MCL Violations
0
Monitoring Violations
87
Treatment Tech Violations
10

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Revised Total Coliform Rule MON 43 2023
Coliform (TCR) MR 33 2015
Groundwater Rule TT 10 2024
Consumer Confidence Rule Other 6 2025
TTHM MR 5 2025
Total Haloacetic Acids (HAA5) MR 5 2025
Public Notice Other 2 2024
Lead and Copper Rule MR 1 2011
Groundwater Rule Other 1 2023

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 Anniston PWS.

Federal Source of Truth

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 MO4010018 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Missouri Drinking Water Authority

Missouri DNR, Public Drinking Water Branch is the primacy agency that licenses and inspects Anniston PWS under EPA-delegated authority.

Open MO regulator portal

Source: Missouri DNR, Public Drinking Water Branch

Violation 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 Consumer Confidence Rule Other 6 SDWIS / MO4010018 / 7000
2025 TTHM MR 5 SDWIS / MO4010018 / 2950
2025 Total Haloacetic Acids (HAA5) MR 5 SDWIS / MO4010018 / 2456
2024 Groundwater Rule TT 10 SDWIS / MO4010018 / 0700
2024 Public Notice Other 2 SDWIS / MO4010018 / 7500
2023 Revised Total Coliform Rule MON 43 SDWIS / MO4010018 / 8000
2023 Groundwater Rule Other 1 SDWIS / MO4010018 / 0700
2015 Coliform (TCR) MR 33 SDWIS / MO4010018 / 3100
2011 Lead and Copper Rule MR 1 SDWIS / MO4010018 / 5000

How Anniston PWS Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Anniston PWS Missouri avg Federal benchmark
Total violations 119 71.4 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 10 19.4 Indicates a contaminant exceeded a federal MCL
PFAS detection None 30.9% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 175 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Anniston PWS water safe to drink? ▼
Anniston PWS (PWS ID: MO4010018) has 119 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 175 people using Groundwater sources.
How many people does Anniston PWS serve? ▼
Anniston PWS serves 175 people in Springfield, Missouri. It is a Local-owned system using Groundwater water sources with 90 service connections.
What type of violations does Anniston PWS have? ▼
Anniston PWS has 119 total violations: 10 health-based violations (MCL exceedances or treatment failures), 87 monitoring/reporting violations, and 10 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Anniston PWS water? ▼
No PFAS testing data is available for Anniston PWS under the EPA's UCMR5 monitoring program.
What water source does Anniston PWS use? ▼
Anniston PWS uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.