Nitrate in Missouri Drinking Water — 20 ZIPs Tested
EPA data analysis for nitrate in Missouri drinking water systems
Nitrate Contamination in Missouri
ZipCheckup analyzed drinking water data across 1,161 ZIP codes in Missouri for nitrate contamination. 20 ZIP codes have reported nitrate detections, and 0 have EPA violations on record.
EPA Standard for Nitrate
The EPA maximum contaminant level (MCL) for nitrate is 10 mg/L (as nitrogen), governed by the National Primary Drinking Water Regulations. Water systems that exceed this limit must take corrective action and notify consumers.
Worst ZIP Codes for Nitrate in Missouri
These ZIP codes reported the highest nitrate levels in Missouri based on CCR reports and EPA data:
Lowest Nitrate Levels in Missouri
These ZIP codes had the lowest reported nitrate detections in Missouri:
Health Effects of Nitrate
How to Remove Nitrate From Drinking Water
The most effective treatment for nitrate removal is Reverse Osmosis or Ion Exchange. Look for filters certified under NSF 53 / NSF 58 standards.
Check Your ZIP Code
Use the ZipCheckup water quality search to see nitrate data for your specific water system in Missouri.
Worst ZIP Codes for Nitrate in Missouri
Ranked by highest nitrate detection level.
| Rank | ZIP Code | City | Level Detected | EPA Limit | Status |
|---|---|---|---|---|---|
| 1 | 63430 | Alexandria | 9.237 ppm | 10 ppm | Within Limit |
| 2 | 63434 | Bethel | 9.237 ppm | 10 ppm | Within Limit |
| 3 | 63439 | Emden | 9.237 ppm | 10 ppm | Within Limit |
| 4 | 63447 | La Belle | 9.237 ppm | 10 ppm | Within Limit |
| 5 | 63452 | Lewistown | 9.237 ppm | 10 ppm | Within Limit |
| 6 | 63453 | Luray | 9.237 ppm | 10 ppm | Within Limit |
| 7 | 63457 | Monticello | 9.237 ppm | 10 ppm | Within Limit |
| 8 | 63463 | Philadelphia | 9.237 ppm | 10 ppm | Within Limit |
| 9 | 63464 | Plevna | 9.237 ppm | 10 ppm | Within Limit |
| 10 | 63465 | Revere | 9.237 ppm | 10 ppm | Within Limit |
| 11 | 63469 | Shelbyville | 9.237 ppm | 10 ppm | Within Limit |
| 12 | 63472 | Wayland | 9.237 ppm | 10 ppm | Within Limit |
| 13 | 63473 | Williamstown | 9.237 ppm | 10 ppm | Within Limit |
| 14 | 63474 | Wyaconda | 9.237 ppm | 10 ppm | Within Limit |
| 15 | 63401 | Hannibal | 6.972 ppm | 10 ppm | Within Limit |
| 16 | 63467 | Saverton | 6.972 ppm | 10 ppm | Within Limit |
| 17 | 65026 | Eldon | 5.4 ppm | 10 ppm | Within Limit |
| 18 | 65064 | Olean | 5.4 ppm | 10 ppm | Within Limit |
| 19 | 64079 | Platte City | 5.195 ppm | 10 ppm | Within Limit |
| 20 | 64092 | Waldron | 5.195 ppm | 10 ppm | Within Limit |
Lowest Nitrate Levels in Missouri
Cities with Nitrate Data in Missouri
6 cities in Missouri have nitrate testing data available.