Casino Arizona Talking Stick (CATS)
PWS ID: 090400703 · Scottsdale, 09 85256
Casino Arizona Talking Stick (CATS) serves 25,785 people in Scottsdale, 09 using Groundwater water sources. It has 85 recorded EPA violations, including 5 health-based violations. PFAS "forever chemicals" were detected in UCMR5 testing (1 compound found).
Water Quality Snapshot: Casino Arizona Talking Stick (CATS)
Casino Arizona Talking Stick (CATS) is a native american-owned non-transient non-community water system that delivers drinking water to 25,785 residents in Scottsdale, 09 through 166 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 85 total violations for this system , of which 5 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 monitoring and reporting violations are on file. The most recent violation on record dates to 2009.
The most frequently cited contaminant at this system is Coliform (TCR), recorded in 48 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 107 ppt. PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.
Across 09, EPA tracks 323 public water systems serving 555,721 people, with 48,296 cumulative violations and 3,354 health-based violations on record. About 97% of systems in the state carry at least one violation, and state-wide the average per system is 149.5 violations. Casino Arizona Talking Stick (CATS)'s 85 violations sit below the 09 average. Statewide, 30 of 41 UCMR5-tested systems have reported PFAS detections (73.2%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Native American
- Connections
- 166
- School/Daycare
- No
- MCL Violations
- 5
- Monitoring Violations
- 59
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 48 | 2004 |
| Arsenic | MCL | 5 | 2008 |
| Nitrate | MR | 4 | 2005 |
| Arsenic | MR | 2 | 2008 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 2004 |
| Nitrite | MR | 1 | 2009 |
| Asbestos | MR | 1 | 2001 |
| Total Polychlorinated Biphenyls (PCB) | MR | 1 | 2001 |
PFAS Testing Results (UCMR5)
Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 4 of 120 samples detected PFAS.
| Contaminant | Date | Result | MRL | Status |
|---|---|---|---|---|
| NMeFOSAA | 9/24/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| lithium | 9/24/2025 | 107.0000 µg/L | 9 µg/L | Detected |
| PFTA | 9/24/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 9/24/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| NEtFOSAA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NFDHA | 9/24/2025 | <0.02 µg/L | 0.02 µg/L | Not Detected |
| 8:2 FTS | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFMPA | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFPeA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFMBA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFEESA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFPeS | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFHpS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFTA | 9/24/2025 | <0.008 µg/L | 0.008 µg/L | Not Detected |
| PFTrDA | 9/24/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| 4:2 FTS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| NMeFOSAA | 9/24/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
| NEtFOSAA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| lithium | 9/24/2025 | 58.6000 µg/L | 9 µg/L | Detected |
| PFNA | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| 6:2 FTS | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFOS | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 9/24/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| HFPO-DA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFHxA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBA | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| ADONA | 9/24/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 9/24/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| 11Cl-PF3OUdS | 9/24/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| PFUnA | 9/24/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| ADONA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHpA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFHxS | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFNA | 3/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOS | 3/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFOA | 3/20/2025 | <0.004 µg/L | 0.004 µg/L | Not Detected |
| PFDA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFDoA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| 9Cl-PF3ONS | 3/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFHxA | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFBS | 3/20/2025 | <0.003 µg/L | 0.003 µg/L | Not Detected |
| PFUnA | 3/20/2025 | <0.002 µg/L | 0.002 µg/L | Not Detected |
| PFTrDA | 3/20/2025 | <0.007 µg/L | 0.007 µg/L | Not Detected |
| 11Cl-PF3OUdS | 3/20/2025 | <0.005 µg/L | 0.005 µg/L | Not Detected |
| NMeFOSAA | 3/20/2025 | <0.006 µg/L | 0.006 µg/L | Not Detected |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Casino Arizona Talking Stick (CATS).
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID 090400703 on SDWISSource: EPA SDWIS Federal Reports Search
09 Drinking Water Authority
09's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find 09 regulator via EPA SDWISViolation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2009 | Nitrite | MR | 1 | SDWIS / 090400703 / 1041 |
| 2008 | Arsenic | MCL | 5 | SDWIS / 090400703 / 1005 |
| 2008 | Arsenic | MR | 2 | SDWIS / 090400703 / 1005 |
| 2005 | Nitrate | MR | 4 | SDWIS / 090400703 / 1040 |
| 2004 | Coliform (TCR) | MR | 48 | SDWIS / 090400703 / 3100 |
| 2004 | Gross Alpha, Excl. Radon and U | MR | 2 | SDWIS / 090400703 / 4000 |
| 2001 | Asbestos | MR | 1 | SDWIS / 090400703 / 1094 |
| 2001 | Total Polychlorinated Biphenyls (PCB) | MR | 1 | SDWIS / 090400703 / 2383 |
How Casino Arizona Talking Stick (CATS) Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | Casino Arizona Talking Stick (CATS) | 09 avg | Federal benchmark |
|---|---|---|---|
| Total violations | 85 | 149.5 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 5 | 10.4 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | 1 compound | 73.2% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 25,785 | 1,720 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 323 regulated public water systems in 09.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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