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Community Water System · PWS AL0001172

Wilton Water Works

Montevallo, Alabama 35115 - drinking water served from groundwater sources to 3,063 people, tracked in EPA SDWIS and UCMR5.

3,063
People served
66
EPA violations
0
Health-based
Untested
UCMR5 result

The verdict

EPA records 66 drinking-water violations at Wilton Water Works - below the Alabama per-system average.

66
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
3,063
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Wilton Water Works

Wilton Water Works is a local-owned community water system that delivers drinking water to 3,063 residents in Montevallo, Alabama (Shelby County) through 1,021 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 66 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 65 monitoring and reporting violations are on file. The most recent violation on record dates to 2012.

The most frequently cited contaminant at this system is DICHLOROMETHANE, recorded in 3 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

Across Alabama, EPA tracks 562 public water systems serving 6,193,356 people, with 40,486 cumulative violations and 3,786 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 72 violations. Statewide, 157 of 306 UCMR5-tested systems have reported PFAS detections (51.3%).

Wilton Water Works's 66 violations sit below the Alabama 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
3,063
Total Violations
66
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
1,021
County
Shelby
School/Daycare
No
MCL Violations
0
Monitoring Violations
65
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
DICHLOROMETHANE MR 3 1993
o-Dichlorobenzene MR 3 1993
p-Dichlorobenzene MR 3 1993
Vinyl chloride MR 3 1993
1,1-Dichloroethylene MR 3 1993
trans-1,2-Dichloroethylene MR 3 1993
1,2-Dichloroethane MR 3 1993
Carbon tetrachloride MR 3 1993
1,2-Dichloropropane MR 3 1993
Trichloroethylene MR 3 1993
Tetrachloroethylene MR 3 1993
Styrene MR 3 1993
Benzene MR 3 1993
Ethylbenzene MR 3 1993
1,1,1-Trichloroethane MR 3 1993
1,2,4-Trichlorobenzene MR 3 1993
1,1,2-Trichloroethane MR 3 1993
Xylenes, Total MR 3 1993
Toluene MR 3 1993
CHLOROBENZENE MR 3 1993
cis-1,2-Dichloroethylene MR 3 1993
Lead and Copper Rule MR 2 2012

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 Wilton Water Works.

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 AL0001172 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Alabama Drinking Water Authority

Alabama'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 AL regulator via EPA SDWIS

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
2012 Lead and Copper Rule MR 2 SDWIS / AL0001172 / 5000
1993 DICHLOROMETHANE MR 3 SDWIS / AL0001172 / 2964
1993 o-Dichlorobenzene MR 3 SDWIS / AL0001172 / 2968
1993 p-Dichlorobenzene MR 3 SDWIS / AL0001172 / 2969
1993 Vinyl chloride MR 3 SDWIS / AL0001172 / 2976
1993 1,1-Dichloroethylene MR 3 SDWIS / AL0001172 / 2977
1993 trans-1,2-Dichloroethylene MR 3 SDWIS / AL0001172 / 2979
1993 1,2-Dichloroethane MR 3 SDWIS / AL0001172 / 2980
1993 Carbon tetrachloride MR 3 SDWIS / AL0001172 / 2982
1993 1,2-Dichloropropane MR 3 SDWIS / AL0001172 / 2983
1993 Trichloroethylene MR 3 SDWIS / AL0001172 / 2984
1993 Tetrachloroethylene MR 3 SDWIS / AL0001172 / 2987
1993 Styrene MR 3 SDWIS / AL0001172 / 2996
1993 Benzene MR 3 SDWIS / AL0001172 / 2990
1993 Ethylbenzene MR 3 SDWIS / AL0001172 / 2992

How Wilton Water Works Compares

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

Metric Wilton Water Works Alabama avg Federal benchmark
Total violations 66 72 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 6.7 Indicates a contaminant exceeded a federal MCL
PFAS detection None 51.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 3,063 11,020 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 562 regulated public water systems in Alabama.

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 Wilton Water Works water safe to drink? ▼
Wilton Water Works (PWS ID: AL0001172) has 66 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 3,063 people using Groundwater sources.
How many people does Wilton Water Works serve? ▼
Wilton Water Works serves 3,063 people in Montevallo, Alabama. It is a Local-owned system using Groundwater water sources with 1,021 service connections.
What type of violations does Wilton Water Works have? ▼
Wilton Water Works has 66 total violations: 0 health-based violations (MCL exceedances or treatment failures), 65 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Wilton Water Works water? ▼
No PFAS testing data is available for Wilton Water Works under the EPA's UCMR5 monitoring program.
What water source does Wilton Water Works use? ▼
Wilton Water Works 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.