F0/100
RIVERSIDE WATER AND SEWER DISTRICT — Water Quality Report 2026
Serving 2,000 people · Idaho
Water Source
Surface Water
County
—
System ID
ID2180032
Violations
91
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.99 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – November 26, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – November 26, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About RIVERSIDE WATER AND SEWER DISTRICT
Is RIVERSIDE WATER AND SEWER DISTRICT water safe to drink?
RIVERSIDE WATER AND SEWER DISTRICT water receives a grade of F (0/100), which is considered failing. 1 contaminant(s) exceed EPA legal limits and 91 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has RIVERSIDE WATER AND SEWER DISTRICT detected?
2 contaminants were tested in RIVERSIDE WATER AND SEWER DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does RIVERSIDE WATER AND SEWER DISTRICT have any EPA violations?
Yes, RIVERSIDE WATER AND SEWER DISTRICT has 91 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 86 are health-based violations.
How many people does RIVERSIDE WATER AND SEWER DISTRICT serve?
RIVERSIDE WATER AND SEWER DISTRICT serves approximately 2,000 people, Idaho.
What type of water does RIVERSIDE WATER AND SEWER DISTRICT provide?
RIVERSIDE WATER AND SEWER DISTRICT sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is ID2180032.
How does RIVERSIDE WATER AND SEWER DISTRICT compare to other utilities in Idaho?
RIVERSIDE WATER AND SEWER DISTRICT scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Idaho state page for a full comparison of water systems.