Nitrate in Boise, ID Drinking Water
Nitrate data for Boise, Idaho · 265,704 residents · 10 ZIP codes
ZipCheckup's reading of Nitrate in Boise, Idaho: Nitrate carries a high health-risk designation.
People in Boise, Idaho who get water from the public supply are among residents whose systems have returned Nitrate detections in EPA compliance testing.
Data: EPA SDWIS, CCR Reports, ECHO
Nitrate in Boise Tap Water
Boise, Idaho has 22 EPA violations related to nitrate in drinking water.
This analysis covers 265,704 residents across 10 ZIP codes in Boise.
Is Nitrate in Boise Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or ion exchange filter certified under NSF 53 / NSF 58 and testing your water independently.
EPA Violations for Nitrate in Boise
| Date | Violation Type | Status | ZIP Code |
|---|---|---|---|
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83702 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83703 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83704 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83705 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83706 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83709 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83712 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83713 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83716 |
| 2025-04-01 | Nitrate-Nitrite (Known) | Known | 83725 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83702 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83703 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83704 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83705 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83706 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83709 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83712 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83713 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83716 |
| 2025-01-01 | Nitrate-Nitrite (Known) | Known | 83725 |
| ... | 2 more violations |
Health Effects of Nitrate
- Methemoglobinemia ("blue baby syndrome") in infants under 6 months
- Increased risk of colorectal and bladder cancer (long-term)
- Thyroid disease from chronic exposure
- Possible reproductive effects
Health risk severity: High. Governed by the National Primary Drinking Water Regulations.
How Nitrate Gets Into Drinking Water
- Agricultural fertilizer runoff
- Animal feedlot operations and manure
- Septic system leachate
- Urban stormwater and wastewater discharge
What to Do About Nitrate in Boise Water
- Reverse osmosis is the most effective method for nitrate removal
- Ion exchange systems designed for nitrate can also work
- Standard carbon filters do NOT remove nitrate
- Boiling water increases nitrate concentration — never boil for nitrate
Look for filters certified under NSF 53 / NSF 58 for nitrate removal.