DBA: Bioserv
Environmental Maintenance Services Inc is an active interstate carrier based in Prospect, CT.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 17 | 0 | 0 |
| Total Power Units | 17 | ||
Distinct vehicles · 24 mo
vs 17 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 64% | 90% | Around peer average |
| HOS Compliance | 92% | 96% | Worse than most peers |
| Driver Fitness | 77% | 91% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 58% | 86% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 19, 2026 | NY | STRAIGHT TRUCK | 0 | 0 |
| Feb 26, 2026 | CT | STRAIGHT TRUCK | 3 | 0 |
| Dec 30, 2025 | CT | STRAIGHT TRUCK | 0 | 0 |
| Nov 26, 2025 | NY | STRAIGHT TRUCK | 1 | 1 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.67 | — |
| HOS Compliance | 1 | 0.03 | — |
| Vehicle Maintenance | 5 | 2.30 | — |
| Driver Fitness | 2 | 0.34 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state NY accounts for 65% of activity. Activity outside home state (CT): 80%.
| 7 |
| 1 |
| 1 |
| Driver Fitness | 2 | 0 | 1 |
| Unsafe Driving | 2 | 0 | 0 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Jul 16, 2025 |
| NY |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Apr 24, 2025 | CT | STRAIGHT TRUCK | 2 | 0 |
| Apr 22, 2025 | NY | STRAIGHT TRUCK | 0 | 0 |
| Apr 15, 2025 | PA | STRAIGHT TRUCK | 1 | 0 |
| Mar 26, 2025 | NJ | STRAIGHT TRUCK | 0 | 0 |
| Mar 18, 2025 | NY | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 26, 2026 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Feb 26, 2026 | 39325AL | Lighting - Lamps (other than headlamps) not securely mounted | Vehicle Maintenance | — |
| Feb 26, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Nov 26, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Apr 24, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Apr 24, 2025 | 3963A1ALBV | Air Brake - Any leak from a brake valve | Vehicle Maintenance | — |
| Apr 15, 2025 | 39141AMCPC | Medical (Certificate) - Operating a commercial vehicle without showing proof of a valid medical certification upon request when medical certification is required. | Driver Fitness | — |
| Oct 16, 2024 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 16, 2024 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |
| Sep 19, 2024 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |