JOHNSTON MUNICIPAL WATER SUPPLY
Drinking water quality, contact, and Consumer Confidence Report
Serving 1 city in IA · PWSID IA7740011
JOHNSTON MUNICIPAL WATER SUPPLY serves 24,064 people. See EPA records and contact info below.
- People served
- 24,064
Data sources: EPA SDWIS, JOHNSTON MUNICIPAL WATER SUPPLY's published Consumer Confidence Report, Iowa Department of Environmental Protection.
This page summarizes publicly available EPA and CCR records. For health decisions about your water, consult your utility or a licensed professional.
Official JOHNSTON MUNICIPAL WATER SUPPLY Resources
Quick Actions
JOHNSTON MUNICIPAL WATER SUPPLY Service Area
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This map shows the approximate service area for JOHNSTON MUNICIPAL WATER SUPPLY. Actual coverage may vary. Contact the utility directly to confirm service availability at your address.
JOHNSTON MUNICIPAL WATER SUPPLY Water Quality Grade
Some contaminants exceed health guidelines.
Grade is calculated based on contaminants exceeding health guidelines (MCLG) and EPA Maximum Contaminant Level violations. A = Excellent (90-100), B = Good (80-89), C = Fair (70-79), D = Poor (60-69), F = Failing (<60).
Is JOHNSTON MUNICIPAL WATER SUPPLY Water Safe to Drink?
JOHNSTON MUNICIPAL WATER SUPPLY has reported 3 contaminants above EPA health-based guidelines (MCLGs) in at least one city served. We recommend reviewing individual city reports below for specific water quality details.
This utility serves 24,064 people across 1 city in IA. Water quality can vary by location within the service area. Check individual city pages below for detailed contaminant data specific to your area.
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JOHNSTON MUNICIPAL WATER SUPPLY Service Area
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JOHNSTON MUNICIPAL WATER SUPPLY Contact & Information
Phone
Mailing Address
B2B Contact Data
B2B Contact Data Available
Contacts for JOHNSTON MUNICIPAL WATER SUPPLY
| Name | Title | Phone | |
|---|---|---|---|
| J████ S████ | Water Treatment Supervisor | (555) ███-████ | j████@city████.gov |
| M████ J██████ | Utility Director | (555) ███-████ | m████@water████.org |
Water Sources & Treatment
Water Sources
Treatment Methods
Disinfectant Used
hypochlorite
JOHNSTON MUNICIPAL WATER SUPPLY Consumer Confidence Report
A Consumer Confidence Report (CCR) is the EPA-mandated annual water-quality report every community water system must publish by July 1 each year (Safe Drinking Water Act §1414(c)(4)). It summarizes contaminants tested, MCL and MCLG comparisons, and any system violations from the prior calendar year.
A current CCR for JOHNSTON MUNICIPAL WATER SUPPLY has not been published or validated on TapWaterData yet.
Residents: contact the utility directly using the phone number above, or check the EPA’s national CCR portal. Reports are typically distributed by mail or posted on the utility’s official website.
Recommended Water Filters for JOHNSTON MUNICIPAL WATER SUPPLY
Based on water quality data from cities served by JOHNSTON MUNICIPAL WATER SUPPLY, we recommend NSF-certified filters that can remove contaminants above health guidelines.
Frequently Asked Questions about JOHNSTON MUNICIPAL WATER SUPPLY
Is JOHNSTON MUNICIPAL WATER SUPPLY water safe to drink?
Does JOHNSTON MUNICIPAL WATER SUPPLY have PFAS in its water?
How do I pay my JOHNSTON MUNICIPAL WATER SUPPLY water bill?
How many people does JOHNSTON MUNICIPAL WATER SUPPLY serve?
What cities does JOHNSTON MUNICIPAL WATER SUPPLY serve?
Does JOHNSTON MUNICIPAL WATER SUPPLY have any EPA violations?
What is JOHNSTON MUNICIPAL WATER SUPPLY's phone number?
Where can I find JOHNSTON MUNICIPAL WATER SUPPLY's Consumer Confidence Report?
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How we built this page
Water-quality and contact data on this page comes from public federal and state records. We update each utility's record whenever its underlying source publishes new data — typically within days of an EPA SDWIS refresh.
- Contaminants & violations: EPA Safe Drinking Water Information System (SDWIS) plus the Unregulated Contaminant Monitoring Rule (UCMR-5) for PFAS and emerging contaminants.
- Annual reports: JOHNSTON MUNICIPAL WATER SUPPLY's most recent published Consumer Confidence Report (CCR), where available.
- Service area & contact: EPA SDWIS plus the Iowa Department of Environmental Protection / Drinking Water program.
Spotted a data issue? Use the Spotted something off? link at the bottom of the page — corrections feed back into the next data refresh. Learn more about TapWaterData.
Are you JOHNSTON MUNICIPAL WATER SUPPLY? Publish your 2027 CCR
TapWaterData runs a free CCR publishing service for community water systems. Claim this listing to publish your Consumer Confidence Report here — it inherits this page's search authority and reaches every customer who Googles JOHNSTON MUNICIPAL WATER SUPPLY.
- EPA-compliant distribution. Satisfies the 2027 Revised CCR Rule direct-URL requirement with an auditable archive.
- Publish once a year. Agent-assisted workflow; no login setup for small systems.
- Inherits this page's reach. Your published CCR appears directly on the page customers already find on Google.
Free for operators. No card required. Typical setup: 5 minutes.
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Residents keep our data honest.
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