GCP LABORATORIES
Quick Summary
- •Currently out of compliance in at least one environmental program (CAA, CWA, or RCRA).
- •Assessed $0 in total penalties since records began.
- Address
-
3600 25TH AVENUE
GULFPORT, MS 39501
View on map ↗ - County
- HARRISON County
- Industry
- Manufacturing
- NAICS (North American Industry Classification)
- 325412
- Inspections
- 10 · last Mar 20, 2025
- Total Penalties
- $0 · last Aug 6, 1999
- Registry ID
- 110000733957
Compliance Status (Last 12 Quarters)
Number of calendar quarters, out of the last 12, in which this facility was in violation of its permit. Zero means no recorded violations in that program over the past three years.
Qtrs Non-Compliant
Qtrs Non-Compliant
Compliance Violations
Individual permit violations recorded by the EPA across air, water, and hazardous waste programs. Open violations are unresolved as of the most recent ECHO data update.
| Program | Type | Violation Date | Return to Compliance | Status |
|---|---|---|---|---|
| cwa | Permit Violations - Discharge Without a Valid Permit | Oct 15, 2012 | Nov 30, 2012 | Resolved |
| cwa | Effluent Violations - Unapproved Bypass | Apr 13, 2010 | Jun 8, 2012 | Resolved |
| rcra | Standards Applicable to Generators of HW: General | Aug 11, 2004 | Sep 24, 2004 | Resolved |
Discharge Limit Exceedances
Instances where this facility's reported discharge monitoring results exceeded its permitted limits under the Clean Water Act. Exceedance percentage shows how far over the permit limit the discharge was.
| Pollutant | Violation | Reported | Limit | Exceedance | Period | Status |
|---|---|---|---|---|---|---|
| Acetone | DMR, Limited - Numeric Violation | 9.81 mg/L | 8.20 | +20% | Jun 2025 | Open |
| Acetone | DMR, Limited - Numeric Violation | 23.60 mg/L | 8.20 | +188% | Jun 2020 | Open |
| Acetone | DMR, Limited - Numeric Violation | 23.60 mg/L | 20.70 | +14% | Jun 2020 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.02 mg/L | 0.02 | +11% | Jun 2019 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +4% | Jun 2019 | Open |
| Acetone | DMR, Limited - Numeric Violation | 54.90 mg/L | 20.70 | +165% | Jun 2019 | Open |
| Acetone | DMR, Limited - Numeric Violation | 54.90 mg/L | 8.20 | +570% | Jun 2019 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.03 mg/L | 0.02 | +45% | Jun 2017 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.06 mg/L | 0.03 | +62% | Jun 2017 | Open |
| Copper, total recoverable | DMR, Limited - Numeric Violation | 0.04 mg/L | 0.03 | +6% | Apr 2016 | Open |
| Flow, in conduit or thru treatment plant | DMR, Limited - Numeric Violation | 0.01 MGD | 0.00 | +122% | Jun 2015 | Open |
Enforcement Actions
Formal enforcement cases brought by the EPA or state agencies, including administrative orders and civil penalties assessed. Penalty amounts reflect what was formally assessed, not necessarily what was collected.