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Community Water System · PWS IA1108025

Alta Municipal Water Plant

Alta, Iowa 51002 - drinking water served from groundwater sources to 2,087 people, tracked in EPA SDWIS and UCMR5.

2,087
People served
13
EPA violations
4
Health-based
Untested
UCMR5 result

The verdict

EPA records 13 drinking-water violations at Alta Municipal Water Plant, 31% of them health-based - below the Iowa per-system average.

13
Total EPA violations on record
31%
Health-based (MCL / treatment failure)
2,087
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Alta Municipal Water Plant

Alta Municipal Water Plant is a local-owned community water system that delivers drinking water to 2,087 residents in Alta, Iowa (Buena Vista County) through 790 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 13 total violations for this system , of which 4 (31%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 1994.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 4 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 Iowa, EPA tracks 1,795 public water systems serving 3,114,444 people, with 138,271 cumulative violations and 27,946 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 77 violations. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%).

Alta Municipal Water Plant's 13 violations sit below the Iowa 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
2,087
Total Violations
13
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
790
County
Buena Vista
School/Daycare
No
MCL Violations
4
Monitoring Violations
0
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MCL 4 1994

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 Alta Municipal Water Plant.

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 IA1108025 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Iowa Drinking Water Authority

Iowa'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 IA 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
1994 Coliform (TCR) MCL 4 SDWIS / IA1108025 / 3100

How Alta Municipal Water Plant Compares

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

Metric Alta Municipal Water Plant Iowa avg Federal benchmark
Total violations 13 77 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 4 15.6 Indicates a contaminant exceeded a federal MCL
PFAS detection None 83.6% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 2,087 1,735 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,795 regulated public water systems in Iowa.

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 Alta Municipal Water Plant water safe to drink?
Alta Municipal Water Plant (PWS ID: IA1108025) has 13 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 2,087 people using Groundwater sources.
How many people does Alta Municipal Water Plant serve?
Alta Municipal Water Plant serves 2,087 people in Alta, Iowa. It is a Local-owned system using Groundwater water sources with 790 service connections.
What type of violations does Alta Municipal Water Plant have?
Alta Municipal Water Plant has 13 total violations: 4 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Alta Municipal Water Plant water?
No PFAS testing data is available for Alta Municipal Water Plant under the EPA's UCMR5 monitoring program.
What water source does Alta Municipal Water Plant use?
Alta Municipal Water Plant 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.
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.