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LOCKRIDGE MUNI WATER SUPPLY

PWS ID: IA5157091 · WASHINGTON, Iowa 52353

LOCKRIDGE MUNI WATER SUPPLY serves 244 people in WASHINGTON, Iowa using Groundwater water sources. It has 31 recorded EPA violations, including 14 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LOCKRIDGE MUNI WATER SUPPLY

LOCKRIDGE MUNI WATER SUPPLY is a local-owned community water system that delivers drinking water to 244 residents in WASHINGTON, Iowa (Jefferson County) through 175 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 14 (45%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 7 monitoring and reporting violations are on file. The most recent violation on record dates to 2010.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 7 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 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. LOCKRIDGE MUNI WATER SUPPLY's 31 violations sit below the Iowa average. Statewide, 127 of 152 UCMR5-tested systems have reported PFAS detections (83.6%). 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
244
Total Violations
31
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
175
County
Jefferson
School/Daycare
No
MCL Violations
14
Monitoring Violations
7
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 7 2010
Coliform (TCR) MCL 7 1992
Fluoride MCL 3 1980
Combined Radium (-226 and -228) MCL 3 1980
Gross Alpha, Excl. Radon and U MCL 1 1980

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 LOCKRIDGE MUNI WATER SUPPLY.

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 IA5157091 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
2010 Coliform (TCR) MR 7 SDWIS / IA5157091 / 3100
1992 Coliform (TCR) MCL 7 SDWIS / IA5157091 / 3100
1980 Fluoride MCL 3 SDWIS / IA5157091 / 1025
1980 Combined Radium (-226 and -228) MCL 3 SDWIS / IA5157091 / 4010
1980 Gross Alpha, Excl. Radon and U MCL 1 SDWIS / IA5157091 / 4000

How LOCKRIDGE MUNI WATER SUPPLY Compares

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

Metric LOCKRIDGE MUNI WATER SUPPLY Iowa avg Federal benchmark
Total violations 31 77 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 14 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 244 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is LOCKRIDGE MUNI WATER SUPPLY water safe to drink?
LOCKRIDGE MUNI WATER SUPPLY (PWS ID: IA5157091) has 31 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 244 people using Groundwater sources.
How many people does LOCKRIDGE MUNI WATER SUPPLY serve?
LOCKRIDGE MUNI WATER SUPPLY serves 244 people in WASHINGTON, Iowa. It is a Local-owned system using Groundwater water sources with 175 service connections.
What type of violations does LOCKRIDGE MUNI WATER SUPPLY have?
LOCKRIDGE MUNI WATER SUPPLY has 31 total violations: 14 health-based violations (MCL exceedances or treatment failures), 7 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LOCKRIDGE MUNI WATER SUPPLY water?
No PFAS testing data is available for LOCKRIDGE MUNI WATER SUPPLY under the EPA's UCMR5 monitoring program.
What water source does LOCKRIDGE MUNI WATER SUPPLY use?
LOCKRIDGE MUNI WATER SUPPLY 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.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial