F0/100
EAST SLOPE WATER COMPANY — Water Quality Report 2026
Serving 1,980 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0402028
Violations
222
Contaminant Test Results
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2022 – August 24, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2022 – June 30, 2022Rule: Stage 1 DBPREnforcement: 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 EAST SLOPE WATER COMPANY
Is EAST SLOPE WATER COMPANY water safe to drink?
EAST SLOPE WATER COMPANY water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 222 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has EAST SLOPE WATER COMPANY detected?
1 contaminants were tested in EAST SLOPE WATER COMPANY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does EAST SLOPE WATER COMPANY have any EPA violations?
Yes, EAST SLOPE WATER COMPANY has 222 EPA violation(s) on record, with the most recent in 2022. Violation types include RPT, MR, Other. 4 are health-based violations.
How many people does EAST SLOPE WATER COMPANY serve?
EAST SLOPE WATER COMPANY serves approximately 1,980 people, Arizona. The system provides water to 1 community: Sierra Vista.
What type of water does EAST SLOPE WATER COMPANY provide?
EAST SLOPE WATER COMPANY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0402028.
How does EAST SLOPE WATER COMPANY compare to other utilities in Arizona?
EAST SLOPE WATER COMPANY scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.