Water Quality in Moyie Springs, ID: 5 Violations — Grade C
Grade C · Score 61/100 · 2 water systems · Updated 2026-05-03
Moyie Springs's water has moderate compliance issues. Residents in affected areas should consider filtration.
Data: EPA Safe Drinking Water Information System (SDWIS) Last verified: 2026-05-03
EPA files for Moyie Springs, ID document 5 water violations — a record that encompasses health-based exceedances, monitoring and reporting failures, and any other compliance events registered for local public water systems across all available federal compliance records for this area.
Water Quality by ZIP Code in Moyie Springs
Water quality varies across Moyie Springs's 1 ZIP codes. Check your specific ZIP for detailed contaminant data.
| ZIP Code | Grade | Score | Violations | Health | |
|---|---|---|---|---|---|
| 83845 | C | 61 | 5 | 1 | View report → |
Water Quality Overview
Moyie Springs, Idaho receives a water quality grade of C with an overall score of 61 out of 100, based on EPA compliance data from the Safe Drinking Water Information System (SDWIS).
The 2 water systems serving Moyie Springs have accumulated 5 EPA violations, including 1 health-based violation. These violations are tracked across 1 ZIP codes serving approximately 1,173 people.
What Grade C Means
A grade of C indicates moderate compliance issues. Moyie Springs's water systems have some violations that warrant attention. While the water may still be safe for most people, residents in affected ZIP codes should consider additional testing or filtration.
Lead Levels
The average 90th percentile lead level across Moyie Springs water systems is 0.0030 mg/L — within EPA limits. No ZIP codes exceed the EPA lead action level.
Radon Risk
Moyie Springs is in EPA Radon Zone 1 (High risk). The EPA recommends all homes in Zone 1 areas be tested for radon. Radon is the second leading cause of lung cancer after smoking.
Water Systems Serving Moyie Springs
Moyie Springs is served by 2 community water systems regulated under the Safe Drinking Water Act. These systems collectively serve approximately 1,173 people across 1 ZIP codes.
Each water system is identified by a Public Water System ID (PWSID) and is required to:
- Test for over 90 regulated contaminants on a regular schedule
- Report results to the EPA and state regulators
- Issue an annual Consumer Confidence Report (CCR) to all customers
- Take corrective action when violations occur
The EPA has taken 8 enforcement actions against water systems serving Moyie Springs. Enforcement actions range from informal compliance assistance to formal orders and penalties.
How to Check Your Water in Moyie Springs
Enter your ZIP code on ZipCheckup to see your specific water system data, including contaminant levels, violation history, and safety scores
Request your CCR — your water utility must provide an annual Consumer Confidence Report with detailed test results for all monitored contaminants
Get a home test — certified kits cost $20–$50 and test for lead, bacteria, and common contaminants. Professional lab tests ($150–$400) cover a broader panel
Consider filtration — NSF-certified filters can remove specific contaminants. Reverse osmosis removes the broadest range; activated carbon is effective for chlorine and many organics
Check for advisories — monitor your local utility website and local news for boil water advisories or system alerts
Contaminants Detected in Moyie Springs Water Systems
The following contaminants have been detected or caused violations across Moyie Springs's water systems:
| Contaminant | Category | MCL | Violations | ZIPs Affected | Health-Based |
|---|---|---|---|---|---|
| Combined Radium | Radionuclides | 5 pCi/L | 2 | 1 | No |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 0.06 mg/L | 1 | 1 | No |
| Barium | Inorganic | 2 mg/L | 1 | 1 | Yes |
| Total Trihalomethanes (TTHM) | Disinfection Byproducts | 0.08 mg/L | 1 | 1 | No |
MCL = Maximum Contaminant Level (EPA enforceable standard). Health-based violations indicate levels that may pose direct health risks.
EPA Enforcement History
The EPA and state regulators have taken 8 enforcement actions against water systems serving Moyie Springs. Recent actions:
| Date | Action Type |
|---|---|
| 2025-07-21 | State Informal Enforcement |
| 2025-07-18 | State Informal Action |
| 2025-06-12 | State Order Extension |
| 2022-11-12 | State Informal Enforcement |
| 2022-11-09 | State Informal Action |
| 2022-09-12 | State Order Extension |
| 2022-08-26 | State Informal Enforcement |
| 2022-08-23 | State Informal Action |
Enforcement actions range from informal compliance assistance to formal orders and penalties. The most recent action was on 2025-07-21.
Moyie Springs vs. Nearby Idaho Cities
How Moyie Springs's water quality compares to similar cities in Idaho:
| City | Grade | Violations | Systems | Population |
|---|---|---|---|---|
| Moyie Springs | C | 5 | 2 | 1,173 |
| Bayview | C | 1 | 1 | 1,175 |
| Careywood | D | 0 | 1 | 1,175 |
| Paul | B | 2 | 1 | 1,195 |
Common Questions About Moyie Springs Water
These are the most common questions residents search for about water quality in Moyie Springs, Idaho:
Is Moyie Springs water hard or soft? Water hardness varies by source. Moyie Springs's 2 water systems use multiple sources. Check your ZIP code report for specific hardness data.
Can I drink Moyie Springs tap water? Moyie Springs's water receives a grade of C (61/100). There are 1 health-based violations — consider filtration.
What is the best water filter for Moyie Springs? A NSF/ANSI 53-certified filter for lead removal is a good general choice. See our Water Filter Matcher for personalized recommendations.
Moyie Springs vs. Idaho Average
Understanding how Moyie Springs compares to the broader Idaho average helps contextualize your local water quality. Factors like water source, treatment methods, and infrastructure age all contribute to differences between cities in the same state.
To see how individual neighborhoods compare, check the ZIP code reports below — water quality can vary significantly even within Moyie Springs.
ZIP Codes in Moyie Springs
Moyie Springs spans 1 ZIP code. The ZIP with the lowest water quality score is 83845. Each ZIP code has its own water quality profile based on the specific water system serving that area. Check each ZIP code for detailed contaminant data, violation history, and system information.
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
- Enforcement: EPA ECHO database
- Filter recommendations: NSF/ANSI certified products
Updated daily.