A89/100
Newton Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 55,370 residents · Iowa
What's In Newton's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
IA REGIONAL UTILITIES ASSOC (WAVERLY)
Population Served
37,820
Water Source
Groundwater
System ID
IA0990701
NEWTON WATER SUPPLY
Population Served
16,518
Water Source
Groundwater
System ID
IA5059064
AUTUMN RIDGE ESTATES MHP
Population Served
1,032
Water Source
Purchased Surface Water
System ID
IA7709601
Frequently Asked Questions About Newton Water
Is Newton tap water safe to drink?
Newton, Iowa tap water receives a grade of A (89/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Newton's water?
Of the 66 contaminants tested in Newton's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Newton have any water quality violations?
Yes, Newton has 17 EPA violation(s) on record, with the most recent in 2017. Violation types include MR, Other, MON. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Newton?
Newton water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Newton's tap water come from?
Newton's drinking water is sourced from groundwater and supplied by IA REGIONAL UTILITIES ASSOC (WAVERLY) and 2 other water system(s). The system serves approximately 55,370 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Newton's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Newton's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Newton's water compare to other cities in Iowa?
Newton's water quality score of 89/100 earns a grade of A, which is considered excellent. This places Newton among the better-performing water systems in Iowa. Visit our Iowa state page to see how all cities in the state compare.
What should I do if I'm concerned about Newton's water quality?
If you have concerns about Newton's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (IA REGIONAL UTILITIES ASSOC (WAVERLY)) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.