City water profile
Compare local ZIP estimates, evidence quality, associated public systems, and compliance history for Cape Girardeau, Missouri.
Median indexed hardness
209PPM
2 indexed ZIPs
Range 209–209 PPM
City summary
Cape Girardeau has 2 published ZIP profiles across Cape Girardeau County. The indexed median is 209 PPM, compared with 236 PPM across Missouri.
Among the 504 Missouricities with an indexed median, Cape Girardeau ranks #312from highest to lowest. Across all 556 state ZIP profiles, available estimates run from 38.3to 483 PPM.
The 209–209 PPM range shows how much the available ZIP estimates vary within the city label.
Hardness distribution
2 of 2 ZIP profiles have a hardness estimate. Bars count ZIP profiles, not households or laboratory samples.
Evidence quality
Confidence labels
Observation window: Apr 27, 2016 to Jul 8, 2024.
ZIP directory
Open a ZIP for site-level provenance and measurements.
Public water systems
PWSID MO4010136
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID MO4024097
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID MO4021532
The system names this served city; Census place overlap links the city to this ZCTA.
PWSID MO4048083
The system names this served city; Census place overlap links the city to this ZCTA.
Compliance history
No active health-based violation appears among the associated systems in the represented EPA reporting quarter. This does not mean every contaminant was tested at every tap.
| Record | System | Period | Status |
|---|---|---|---|
| Lead and Copper Rule | MO4021532 | Dec 30, 2025 | Unaddressed |
| LEAD AND COPPER RULE REVISIONS | MO4021532 | Jul 2, 2025 | Unaddressed |
| LEAD AND COPPER RULE REVISIONS | MO4048083 | Jul 2, 2025 | Unaddressed |
| Consumer Confidence Rule | MO4048083 | Jul 1, 2025 | Resolved |
| Public Notice | MO4010136 | May 21, 2025 | Resolved |
| Groundwater Rule | MO4010136 | Apr 1, 2025 | Resolved · health-based |
| Public Notice | MO4010136 | Feb 21, 2025 | Resolved |
| Groundwater Rule | MO4010136 | Nov 1, 2024 | Archived |
| Lead and Copper Rule | MO4024097 | Oct 1, 2024 | Resolved |
| Groundwater Rule | MO4010136 | Apr 1, 2024 | Resolved |
Practical next steps
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Questions people ask
The indexed city median is 209 PPM. Open the ZIP report to verify the distance and confidence behind that estimate.
Compliance history is utility-wide and cannot guarantee conditions at every tap. Check current notices and test when address-specific evidence is needed.
Choose treatment only after confirming the problem at the property. A softener targets hardness; contaminant treatment requires a matching, verified performance claim.