Is Grimes, IA tap water safe?
The short answer
None of the 5 utilities serving Grimes has a result above a legal limit or action level, or a health-based violation since 2016, in EPA’s and Iowa’s records.
Grimes Water Supply, which serves the most people here, has 1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 22 ppb, above EPA’s health benchmark. Health goals are stricter than legal limits and are not enforced.
A town can be served by more than one utility, and some homes are on private wells. The name on your water bill tells you which is yours, and your ZIP code narrows it down. They are listed by how many people each serves in Grimes’s ZIP codes, from EPA’s estimates.
- Open report
Grimes Water Supply
Iowa · serves 17,997 people · about 5,200 in Grimes
1 result above the health goal and 1 result above EPA’s health benchmark. The worst: Lithium at 22 ppb, above EPA’s health benchmark.
No health-based violations since 2016
- Open report
Xenia RWD (Des Moines)
Iowa · serves 12,860 people · about 1,800 in Grimes
1 result above the health goal. The worst: Lead at 1.7 ppb, above the health goal.
No health-based violations since 2016
- Open report
Park View Village
Iowa · serves 1,800 people · about 200 in Grimes
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Grimes MHP
Iowa · serves 163 people · lists Grimes among the places it serves
Nothing in its records is above a health goal.
No health-based violations since 2016
- Open report
Ciww (Grimes)
Iowa · serves 25 people · lists Grimes among the places it serves
1 result above the health goal. The worst: Arsenic at 2.0 ppb, above the health goal.
No health-based violations since 2016
What handles it
Each of these is certified, on a certifier’s listing, for a result above a line in Grimes Water Supply’s water, which serves the most people here. Another utility’s report names what handles its own results.
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Countertop reverse osmosis
- IAPMO listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 4, 2026
Certified for: Arsenic
Aquasana SmartFlow Reverse Osmosis (AQ-SFRO2)
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Brondell Capella RC250 Reverse Osmosis System
Under-sink reverse osmosis
- WQA listing:NSF/ANSI 42NSF/ANSI 53NSF/ANSI 58NSF/ANSI 401checked Oct. 9, 2026
Certified for: Arsenic
Water testing near Grimes
The 3 labs Iowa certifies closest to Grimes, in a straight line. Call first: certification is test by test, and not every lab takes samples from homeowners.
State Hygienic Laboratory - Ankeny
Ankeny, IA · about 9 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics
Microbac Laboratories - Newton
Newton, IA · about 40 miles
Certified for bacteria, nitrate, lead and copper, metals, minerals and other inorganics, organic chemicals, disinfection byproducts
AgSource
Ellsworth, IA · about 46 miles
Certified for bacteria, nitrate, metals, minerals and other inorganics
State Hygienic Laboratory at the University of Iowa: Through the Grants-to-Counties program, private well owners in participating counties can have their water tested for total coliform bacteria and nitrate. Start with the county sanitarian at your county health department. No cost in a participating county. The Grants-to-Counties Program, State Hygienic Lab at the University of Iowa.
All 36 certified labs for IowaZIP codes in Grimes
Which ZIP codes are in Grimes: Census 2020 relationship files. Which utilities serve them, and how many people: EPA SDWIS and EPA’s service area map. Each utility’s results: EPA UCMR 5, EPA SDWIS, and EPA’s and the state’s compliance monitoring, as its report lists them. How they are measured: methodology. Certified labs: Iowa DNR, laboratories certified for drinking water; distances from the Census 2020 ZIP code tabulation area gazetteer.
Near Grimes
Other towns in Dallas County with a page of their own.
What to do next
- Read Grimes Water Supply’s full reportEvery result with its dates, the violations, and the certification claim that handles each finding.Open the report
- About LithiumWhat it does to health, where it comes from, and the certification claim that addresses it.About Lithium
- On a private well?No utility tests a well. A certified lab test is the first step.How to test well water