PITTSBURG CO. RWD #7 (ARPELAR) — Water Quality Report 2026
Serving 2,040 people · Oklahoma
Water Source
Purchased Surface Water
County
—
System ID
OK3006108
Violations
71
Contaminant Test Results
1 contaminant above EPA health goals
Contaminant
Detected
Limit (MCL)
Goal (MCLG)
Status
Lead (90th percentile)
0.002 mg/L
0.015 mg/L
0 mg/L
Above Goal
EPA Violation History
16
Violations (last 5yr)
3
Unresolved
12
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 – July 15, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – July 15, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: April 1, 2023 – July 25, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 30, 2022 – July 25, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2022 – December 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 29, 2022 – July 25, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2022 – September 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: April 1, 2022 – June 30, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2022 – March 31, 2022Rule: Stage 2 DBPREnforcement: Formal — state order issued
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2021 – December 31, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2021 – September 30, 2021Rule: Stage 2 DBPREnforcement: Formal — state order issued
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 PITTSBURG CO. RWD #7 (ARPELAR)
Is PITTSBURG CO. RWD #7 (ARPELAR) water safe to drink?
PITTSBURG CO. RWD #7 (ARPELAR) water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 71 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PITTSBURG CO. RWD #7 (ARPELAR) detected?
1 contaminants were tested in PITTSBURG CO. RWD #7 (ARPELAR)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does PITTSBURG CO. RWD #7 (ARPELAR) have any EPA violations?
Yes, PITTSBURG CO. RWD #7 (ARPELAR) has 71 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, MR. 48 are health-based violations.
How many people does PITTSBURG CO. RWD #7 (ARPELAR) serve?
PITTSBURG CO. RWD #7 (ARPELAR) serves approximately 2,040 people, Oklahoma.
What type of water does PITTSBURG CO. RWD #7 (ARPELAR) provide?
PITTSBURG CO. RWD #7 (ARPELAR) sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OK3006108.
How does PITTSBURG CO. RWD #7 (ARPELAR) compare to other utilities in Oklahoma?
PITTSBURG CO. RWD #7 (ARPELAR) scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Oklahoma state page for a full comparison of water systems.