SAN JO UTILITIES
PWS ID: TX1700327 · MONTGOMERY, Texas 77316-6769
SAN JO UTILITIES serves 792 people in MONTGOMERY, Texas using Groundwater water sources. It has 98 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: SAN JO UTILITIES
SAN JO UTILITIES is a private-owned community water system that delivers drinking water to 792 residents in MONTGOMERY, Texas (Montgomery County) through 264 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 98 total violations for this system , of which 2 (2%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 37 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 Consumer Confidence Rule, recorded in 14 violations (Other). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across Texas, EPA tracks 7,351 public water systems serving 33,253,313 people, with 746,210 cumulative violations and 162,945 health-based violations on record. About 90% of systems in the state carry at least one violation, and state-wide the average per system is 101.5 violations. SAN JO UTILITIES's 98 violations sit below the Texas average. Statewide, 1,068 of 1,147 UCMR5-tested systems have reported PFAS detections (93.1%). 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
- Private
- Connections
- 264
- County
- Montgomery
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 37
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 14 | 2019 |
| Lead and Copper Rule | MR | 13 | 2025 |
| Coliform (TCR) | MR | 8 | 2007 |
| Public Notice | Other | 6 | 2025 |
| Gross Alpha, Excl. Radon and U | MR | 4 | 2013 |
| Combined Uranium | MR | 4 | 2013 |
| Combined Radium (-226 and -228) | MR | 4 | 2013 |
| Chlorine | MR | 4 | 2017 |
| LEAD AND COPPER RULE REVISIONS | RPT | 2 | 2024 |
| LEAD AND COPPER RULE REVISIONS | TT | 2 | 2024 |
| Coliform (TCR) | Other | 1 | 1993 |
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 SAN JO UTILITIES.
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 TX1700327 on SDWISSource: EPA SDWIS Federal Reports Search
Texas Drinking Water Authority
Texas Commission on Environmental Quality (TCEQ) — Drinking Water Watch is the primacy agency that licenses and inspects SAN JO UTILITIES under EPA-delegated authority.
Open TX regulator portalSource: Texas Commission on Environmental Quality (TCEQ) — Drinking Water Watch
Violation 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 | Lead and Copper Rule | MR | 13 | SDWIS / TX1700327 / 5000 |
| 2025 | Public Notice | Other | 6 | SDWIS / TX1700327 / 7500 |
| 2024 | LEAD AND COPPER RULE REVISIONS | RPT | 2 | SDWIS / TX1700327 / 5200 |
| 2024 | LEAD AND COPPER RULE REVISIONS | TT | 2 | SDWIS / TX1700327 / 5200 |
| 2019 | Consumer Confidence Rule | Other | 14 | SDWIS / TX1700327 / 7000 |
| 2017 | Chlorine | MR | 4 | SDWIS / TX1700327 / 0999 |
| 2013 | Gross Alpha, Excl. Radon and U | MR | 4 | SDWIS / TX1700327 / 4000 |
| 2013 | Combined Uranium | MR | 4 | SDWIS / TX1700327 / 4006 |
| 2013 | Combined Radium (-226 and -228) | MR | 4 | SDWIS / TX1700327 / 4010 |
| 2007 | Coliform (TCR) | MR | 8 | SDWIS / TX1700327 / 3100 |
| 1993 | Coliform (TCR) | Other | 1 | SDWIS / TX1700327 / 3100 |
How SAN JO UTILITIES Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | SAN JO UTILITIES | Texas avg | Federal benchmark |
|---|---|---|---|
| Total violations | 98 | 101.5 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 2 | 22.2 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 93.1% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 792 | 4,524 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,351 regulated public water systems in Texas.
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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How many people does SAN JO UTILITIES serve? ▼
What type of violations does SAN JO UTILITIES have? ▼
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Related Data for Texas
Read our methodology — how this data is sourced, computed, and verified.