RIVERSIDE APARTMENTS
PWS ID: AZ0420129 · TUCSON, Arizona 85719
RIVERSIDE APARTMENTS serves 75 people in TUCSON, Arizona using Groundwater water sources. It has 148 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: RIVERSIDE APARTMENTS
RIVERSIDE APARTMENTS is a public/private-owned community water system that delivers drinking water to 75 residents in TUCSON, Arizona (Pima County) through 33 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 148 total violations for this system , of which 4 (3%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 110 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.
The most frequently cited contaminant at this system is Coliform (TCR), recorded in 33 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across Arizona, EPA tracks 1,493 public water systems serving 7,322,166 people, with 228,944 cumulative violations and 15,663 health-based violations on record. About 98% of systems in the state carry at least one violation, and state-wide the average per system is 153.3 violations. RIVERSIDE APARTMENTS's 148 violations sit below the Arizona average. Statewide, 145 of 152 UCMR5-tested systems have reported PFAS detections (95.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Community
- Owner Type
- Public/Private
- Connections
- 33
- County
- Pima
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 110
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 33 | 2014 |
| Consumer Confidence Rule | Other | 16 | 2025 |
| Nitrate | MR | 8 | 2018 |
| Lead and Copper Rule | MR | 5 | 2025 |
| LEAD AND COPPER RULE REVISIONS | RPT | 4 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 1990 |
| LEAD AND COPPER RULE REVISIONS | TT | 4 | 2024 |
| Revised Total Coliform Rule | MON | 3 | 2017 |
| Revised Total Coliform Rule | RPT | 2 | 2021 |
| Selenium | MR | 2 | 1989 |
| Public Notice | Other | 2 | 2024 |
| 1,1,1-Trichloroethane | MR | 1 | 1998 |
| 1,2-Dichloropropane | MR | 1 | 1998 |
| 1,1,2-Trichloroethane | MR | 1 | 1998 |
| Tetrachloroethylene | MR | 1 | 1998 |
| Benzene | MR | 1 | 1998 |
| Toluene | MR | 1 | 1998 |
| Styrene | MR | 1 | 1998 |
| Methoxychlor | MR | 1 | 1998 |
| Dalapon | MR | 1 | 1998 |
| Glyphosate | MR | 1 | 1998 |
| Simazine | MR | 1 | 1998 |
| Hexachlorocyclopentadiene | MR | 1 | 1998 |
| LASSO | MR | 1 | 1998 |
| Heptachlor | MR | 1 | 1998 |
| Heptachlor epoxide | MR | 1 | 1998 |
| 2,4,5-TP | MR | 1 | 1998 |
| HEXACHLOROBENZENE | MR | 1 | 1998 |
| Benzo(a)pyrene | MR | 1 | 1998 |
| Pentachlorophenol | MR | 1 | 1998 |
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 RIVERSIDE APARTMENTS.
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 AZ0420129 on SDWISSource: EPA SDWIS Federal Reports Search
Arizona Drinking Water Authority
Arizona DEQ — Drinking Water Program is the primacy agency that licenses and inspects RIVERSIDE APARTMENTS under EPA-delegated authority.
Open AZ regulator portalViolation 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 |
|---|---|---|---|---|
| 2025 | Consumer Confidence Rule | Other | 16 | SDWIS / AZ0420129 / 7000 |
| 2025 | Lead and Copper Rule | MR | 5 | SDWIS / AZ0420129 / 5000 |
| 2024 | LEAD AND COPPER RULE REVISIONS | RPT | 4 | SDWIS / AZ0420129 / 5200 |
| 2024 | LEAD AND COPPER RULE REVISIONS | TT | 4 | SDWIS / AZ0420129 / 5200 |
| 2024 | Public Notice | Other | 2 | SDWIS / AZ0420129 / 7500 |
| 2021 | Revised Total Coliform Rule | RPT | 2 | SDWIS / AZ0420129 / 8000 |
| 2018 | Nitrate | MR | 8 | SDWIS / AZ0420129 / 1040 |
| 2017 | Revised Total Coliform Rule | MON | 3 | SDWIS / AZ0420129 / 8000 |
| 2014 | Coliform (TCR) | MR | 33 | SDWIS / AZ0420129 / 3100 |
| 1998 | 1,1,1-Trichloroethane | MR | 1 | SDWIS / AZ0420129 / 2981 |
| 1998 | 1,2-Dichloropropane | MR | 1 | SDWIS / AZ0420129 / 2983 |
| 1998 | 1,1,2-Trichloroethane | MR | 1 | SDWIS / AZ0420129 / 2985 |
| 1998 | Tetrachloroethylene | MR | 1 | SDWIS / AZ0420129 / 2987 |
| 1998 | Benzene | MR | 1 | SDWIS / AZ0420129 / 2990 |
| 1998 | Toluene | MR | 1 | SDWIS / AZ0420129 / 2991 |
How RIVERSIDE APARTMENTS Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | RIVERSIDE APARTMENTS | Arizona avg | Federal benchmark |
|---|---|---|---|
| Total violations | 148 | 153.3 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 4 | 10.5 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 95.4% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 75 | 4,904 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 1,493 regulated public water systems in Arizona.
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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Related Data for Arizona
Read our methodology — how this data is sourced, computed, and verified.