C
66

Fair Water Quality

Carter Lake, IA 51510

Pottawattamie County · Population served: 3,791 · Data updated March 2026

Water Systems Serving This Area

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CARTER LAKE WATER DISTRICT
Surface water · Pop. 3,791
PWSID: IA7812079

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
3.0
15 ppb 1 ppb Warning

PFAS / Forever Chemicals

1 detected All below limits
CompoundLevelEPA MCLHealth GuidelineStatus
PFBA5.3 pptNo standard500 pptUnregulated

Violation History (Last 5 Years)

25Total (5yr)
0Health-Based
23Major

Water Quality Summary

Understanding Your Water in Carter Lake

Tap water quality in Carter Lake, Iowa (51510) receives an overall grade of C (Fair) with a score of 66 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 21 points below the Iowa state average of 87. The area is served by Carter Lake Water District, a surface water system providing water to approximately 3,791 people. Testing has found elevated levels of Lead that warrant attention. PFAS testing detected 1 compound, all currently below EPA limits. The area has 25 violations over the past 5 years, though none were classified as health-based.

Your Score 66/100 C
vs State 21 pts below Iowa avg (87)
vs National 9 pts below national avg (75)

What a Grade C Means

A score of 66/100 indicates fair water quality in Carter Lake, IA. While the water meets minimum federal standards, there are noteworthy concerns — either elevated contaminant levels approaching regulatory limits, a moderate violation history, or both. Residents may want to review specific contaminant data and consider targeted filtration, especially for sensitive groups like children and pregnant women.

Surface water: sourced from rivers, lakes, or reservoirs

Health Information

What These Contaminants Mean for You

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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 Carter Lake, Iowa receives a grade of C (Fair) with a score of 66/100. While it generally meets minimum federal standards, there are some areas of concern including violation history or elevated contaminant levels. Sensitive populations (children, pregnant women, elderly) may want to consider additional filtration.

ZIP code 51510 is served by 1 water system using surface water sources, providing water to approximately 3,791 people. Surface water systems are more susceptible to contamination from agricultural runoff, industrial discharge, and weather events, but typically undergo more extensive treatment including filtration and disinfection.

Lead was detected at 3.0 ppb in Carter Lake, Iowa. While this is below the EPA action level of 15 ppb, it exceeds the health guideline of 1 ppb recommended by health organizations. Consider a certified lead filter, especially if you have young children.

1 PFAS compound were detected in water serving Carter Lake, Iowa, but all are currently below EPA limits. While levels are within regulatory standards, some health organizations recommend minimizing any PFAS exposure. Activated carbon or reverse osmosis filters can reduce PFAS levels.

Water systems serving Carter Lake, Iowa have received 25 violations in the last 5 years. 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, PFAS), residents in Carter Lake, Iowa should consider: Reverse osmosis (RO) system — most effective for PFAS, lead, and other contaminants. Always look for filters with NSF/ANSI certification for the specific contaminants you want to remove.

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