B
77

Good Water Quality

Ireton, IA 51027

Sioux County · Population served: 9,438 · Data updated March 2026

Water Systems Serving This Area

🏔
RURAL WATER SYSTEM #1
Surface water · Pop. 3,428
PWSID: IA8400722
🌊
SOUTHERN SIOUX COUNTY RURAL WATER
Groundwater · Pop. 5,420
PWSID: IA8400733
🌊
IRETON WATER SUPPLY
Groundwater · Pop. 590
PWSID: IA8447098

Contaminants Detected

ContaminantDetected LevelEPA MCLHealth GuidelineStatus
Lead
13.1
15 ppb 1 ppb Warning

Violation History (Last 5 Years)

2Total (5yr)
0Health-Based
2Major

Water Quality Summary

Understanding Your Water in Ireton

Tap water quality in Ireton, Iowa (51027) receives an overall grade of B (Good) with a score of 77 out of 100, based on analysis of EPA compliance data, contaminant testing, and violation history. This is 10 points below the Iowa state average of 87. The area is served by 3 water systems providing water to approximately 9,438 people, using surface water and groundwater sources. Testing has found elevated levels of Lead that warrant attention.

Your Score 77/100 B
vs State 10 pts below Iowa avg (87)
vs National 2 pts above national avg (75)

What a Grade B Means

A score of 77/100 means the water in Ireton, IA is generally good and meets EPA standards, with only minor areas of concern. There may be low levels of detectable contaminants or a small number of non-critical violations. Most residents can feel comfortable with their tap water quality, though basic filtration can provide an extra layer of protection.

Surface water: sourced from rivers, lakes, or reservoirs
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

Based on EPA data, tap water in Ireton, Iowa receives a grade of B (Good) with a score of 77/100. This indicates the water meets federal standards and has relatively few concerns. However, individual homes may still have localized issues such as lead from old plumbing.

ZIP code 51027 is served by 3 water systems using surface water, groundwater sources, providing water to approximately 9,438 people. Multiple source types mean your water may come from a blend of surface and underground sources.

Lead was detected at 13.1 ppb in Ireton, 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.

No PFAS ("forever chemicals") were detected in water systems serving Ireton, Iowa 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 Ireton, Iowa have received 2 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), residents in Ireton, Iowa 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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