Lambert Sewer and Water Assn
EPA ID: MT0000269 · 150 people served · 1 ZIP code
The EPA enforcement database lists 1 active violation for Lambert Sewer and Water Assn — a provider that delivers drinking water to approximately 150 people and has not yet formally resolved those findings.
Data: EPA SDWIS Last verified: 2026-04-02
Service Area Map
Coverage area for Lambert Sewer and Water Assn Source: EPA SDWIS service area boundaries.
Service area boundary — Grade D
Service Area Demographics
The Lambert Sewer and Water Assn serves a community with a median household income of $80,833 and an estimated 410 residents across its service area. Approximately 53% of housing stock was built before 1986, which increases the likelihood of lead service lines and older plumbing.
💧 Where Does Your Water Come From?
Lambert Sewer and Water Assn's water is pumped from underground aquifers. Groundwater is naturally filtered through rock and soil, but it can be vulnerable to PFAS contamination, nitrates from agriculture, and industrial chemicals that seep into the water table.
About 1% of homes in Richland County, Montana rely on private wells rather than public water systems. Private well owners are responsible for their own water testing and treatment.
Infrastructure Risk
Detected Contaminants
How Lambert Sewer and Water Assn compares to EPA limits
What This Means For You
Total Trihalomethanes (TTHM) at 1 mg/L exceeds the EPA maximum of 0.08 mg/L. Bladder & rectal cancer risk; reproductive concerns. Consider granular activated carbon (GAC) filtration.
Consumer Confidence Report Rule at 5 mg/L exceeds the EPA maximum of mg/L.
Surface Water Treatment Rule at 2 mg/L exceeds the EPA maximum of mg/L.
Total Trihalomethanes (TTHM) was detected in this water system. granular activated carbon (GAC) filtration can reduce exposure.
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Estimated Remediation Costs
Average estimated costs across ZIP codes served by this system
Based on national averages for common remediation projects. Actual costs vary by property. Only issues flagged by EPA, FEMA, or state data for each ZIP code are included.
System Overview
Lambert Sewer and Water Assn (EPA ID: MT0000269) is a community water system in Montana that serves approximately 150 people from groundwater sources.
This system serves ZIP code 59243 in Lambert.
Average Home Safety Score: D (49/100)
Based on water quality violations, lead levels, and radon risk across all ZIP codes served by this system.
Violation History
Recent Violations
| Date | Contaminant | Type | Status |
|---|---|---|---|
| May 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| March 1, 2025 | Consumer Confidence Report Rule | Monitoring | Resolved |
| October 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| August 1, 2024 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2024 | Nickel | Monitoring | Resolved |
| April 1, 2023 | Consumer Confidence Report Rule | Monitoring | Resolved |
| January 1, 2023 | Total Trihalomethanes (TTHM) | Monitoring | Unresolved |
Contaminants Detected
The following contaminants have been flagged in EPA records for this water system:
| Contaminant | Category | Violations | Health-Based |
|---|---|---|---|
| Consumer Confidence Report Rule | Reporting Failure | 5 | No |
| Nickel | Inorganic | 2 | No |
| Surface Water Treatment Rule | Treatment Failure | 2 | No |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 1 | No |
Lead & Copper
No Lead and Copper Rule sampling data available for this water system.
Radon Risk in Service Area
Dominant radon zone for ZIP codes served by this system: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Need help with your water quality?
Typical cost: Water test: typically $20–$50 (DIY kit) · Professional inspection: $150–$400
Find the Right Water FilterFree tip: Let cold water run for 2 minutes before drinking — this helps flush lead from your pipes.
ZIP Codes Served
- 59243 — Lambert
Data Sources
This report uses public data from the EPA Safe Drinking Water Information System (SDWIS). View the full compliance record for Lambert Sewer and Water Assn (MT0000269) on EPA.gov.
Frequently Asked Questions
Is Lambert Sewer and Water Assn water safe to drink?
Lambert Sewer and Water Assn has only monitoring/reporting violations, which are procedural in nature. The system meets federal health-based standards.
How many people does Lambert Sewer and Water Assn serve?
Lambert Sewer and Water Assn serves approximately 150 people across 1 ZIP code in Montana.
Where does Lambert Sewer and Water Assn get its water?
The primary water source is groundwater.
Water Source & Treatment
Where this water originates and how it's treated before reaching your tap.
Source: LAMBERT SEWER AND WATER ASSN Consumer Confidence Report.
ZipCheckup is not affiliated with this water utility. Treatment and source data are sourced from the utility's published CCR filings.
<p>There are two ground water sources used by the system. The sources draw from groundwater. <span>The source water assessment for this system was completed on 3/21/2006. The probability of contamination is high because of the presence of activities such as agriculture, residential, commercial and industrial land uses. The system draws its groundwater from wells completed in the Quaternary Glenwood-Dune Sand near Lambert. The source water assessment is available at our office for review and can be found online at: https://deq.mt.gov/water/Programs/dw-sourcewater</span> The source water assessment for this system has been completed by the Department of Environmental Quality. The source water assessment is available at our office for review and can be found online at: https://deq.mt.gov/water/Programs/dw-sourcewater.
Lead Service Line Inventory
Service line breakdown reported under the federal Lead and Copper Rule Improvements (LCRI) inventory requirement:
This system reports zero confirmed lead service lines in its inventory. Unknown-material counts may still warrant verification.
Federal LCRI rule (effective October 2024) requires every public water system to inventory its service lines and complete lead-line replacement within 10 years.
Source: EPA SDWIS Federal Service Line Inventory (Phase 2) · Submitted 2026
ZipCheckup is not affiliated with the utility or state agency. Inventory figures render verbatim from the public LCRI submission cited above; ZipCheckup does not perform inspections or replacements.
Notable events and violations
This section summarizes events the utility chose to disclose in its most recent Consumer Confidence Report, plus any federal compliance violations the utility recorded against itself. Both lists are utility-authored — ZipCheckup does not audit, judge, or reorder them.
Federal compliance violations on record
These entries are taken verbatim from the utility's CCR violations section. EPA defines four broad violation categories: Maximum Contaminant Level (MCL), Treatment Technique (TT), Monitoring & Reporting (M&R), and Public Notification (PN).
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MONITORING, ROUTINE MAJOR · Fluoride2024-01-01/2024-12-31
We failed to test our drinking water for the contaminant and period indicated. Because of this failure, we cannot be sure of the quality of our drinking water during the period indicated.
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MONITORING, ROUTINE MAJOR · Nitrate and nitrite [measured as Nitrogen]2024-01-01/2024-12-31
We failed to test our drinking water for the contaminant and period indicated. Because of this failure, we cannot be sure of the quality of our drinking water during the period indicated.
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MONITORING, ROUTINE, MAJOR (RTCR)2024-08-01/2024-08-31
We failed to test our drinking water for the contaminant and period indicated. Because of this failure, we cannot be sure of the quality of our drinking water during the period indicated.
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MONITORING, ROUTINE, MAJOR (RTCR)2024-10-01/2024-10-31
We failed to test our drinking water for the contaminant and period indicated. Because of this failure, we cannot be sure of the quality of our drinking water during the period indicated.
Violations record from LAMBERT SEWER AND WATER ASSN Consumer Confidence Report.
ZipCheckup note: items above reflect what the utility published in its most recent CCR. Federal violation records are also tracked separately by the EPA Safe Drinking Water Information System (SDWIS) — the SDWIS record is the authoritative federal source for any specific regulatory action.
Frequently Asked Questions
What You Can Do
Test your water
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Check your specific ZIP code
Water quality can vary within a system. View nearest ZIP report →
Contact your utility
Lambert Sewer and Water Assn (EPA ID: MT0000269) — request the latest Consumer Confidence Report or ask about specific contaminants.