F
31

Failing Water Quality

Lame Deer, MT 59043

Rosebud County · Population served: 3,501 · Data updated March 2026

Water Systems Serving This Area

🌊
ASHLAND COMMUNITY WATER SYSTEM
Groundwater · Pop. 265
PWSID: 083090061
🌊
BIRNEY VILLAGE
Groundwater · Pop. 96
PWSID: 083090062
🌊
BUSBY COMMUNITY WATER SYSTEM
Groundwater · Pop. 535
PWSID: 083090063
🌊
LAME DEER WATER SYSTEM
Groundwater · Pop. 2,605
PWSID: 083090064

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
16.0
15 ppb 1 ppb Exceeded

Violation History (Last 5 Years)

72Total (5yr)
15Health-Based
16Major

Water Quality Summary

Understanding Your Water in Lame Deer

Tap water quality in Lame Deer, Montana (59043) receives an overall grade of F (Failing) with a score of 31 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 44 points below the Montana state average of 75. Compared to the national average (75), this area scores significantly lower. The area is served by 4 water systems providing water to approximately 3,501 people, using groundwater sources. Testing has found elevated levels of Lead that warrant attention. Over the past 5 years, water systems here have accumulated 72 violations, including 15 health-based violations.

Your Score 31/100 F
vs State 44 pts below Montana avg (75)
vs National 44 pts below national avg (75)

What a Grade F Means

A score of 31/100 indicates serious water quality failures in Lame Deer, MT. The water system has significant violations, contaminant exceedances, or enforcement actions. Residents should strongly consider using a certified water filtration system for drinking and cooking water, requesting their utility's latest test results, and potentially having their water independently tested.

Groundwater: drawn from underground aquifers via wells

Health Information

What These Contaminants Mean for You

⚠️

Lead in Your Water

Lead is a toxic metal that can leach from aging pipes and plumbing fixtures.

Health Effects

Even low levels of lead exposure can cause developmental delays in children, kidney damage, and cardiovascular effects in adults. The EPA action level is 15 ppb, but health experts recommend no safe level of lead in drinking water.

Common Sources

Lead enters water primarily through corrosion of lead service lines, lead solder, and brass fixtures — especially in homes built before 1986.

What You Can Do

If lead is detected above 1 ppb, consider using a certified lead-removal filter (NSF/ANSI 53) for drinking and cooking water. Run cold water for 30 seconds before use if water has been sitting in pipes.

Common Questions

Frequently Asked Questions

Tap water in Lame Deer, Montana receives a grade of F (Failing) with a score of 31/100. This indicates significant water quality concerns based on violation history, contaminant levels, or enforcement actions. We recommend reviewing the specific contaminants detected below and considering a certified water filter.

ZIP code 59043 is served by 4 water systems using groundwater sources, providing water to approximately 3,501 people. Groundwater is naturally filtered through rock and soil, often requiring less treatment. However, it can be vulnerable to contamination from underground sources like naturally occurring arsenic, nitrates from agriculture, or PFAS from industrial sites.

Yes — lead levels in Lame Deer, Montana are 16.0 ppb, which exceeds the EPA action level of 15 ppb. This is a serious concern. We strongly recommend using a certified lead-removal filter for all drinking and cooking water, and having your water independently tested.

No PFAS ("forever chemicals") were detected in water systems serving Lame Deer, Montana during the most recent EPA monitoring period (UCMR5). However, not all water systems have been tested for all PFAS compounds, and new contamination can occur over time.

Water systems serving Lame Deer, Montana have received 72 violations in the last 5 years, including 15 health-based violations. Violations can range from paperwork issues (monitoring & reporting) to serious health-based violations where contaminant levels exceeded safe limits. Review the violation details above for specifics.

Based on detected contaminants (lead), residents in Lame Deer, Montana should consider: NSF/ANSI 53 certified filter — specifically rated for lead reduction. Pitcher filters (like Brita Longlast or PUR) and under-sink systems both work. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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