MOUNTAIN MATERIALS INC
15989 OLD HWY 80, EL CAJON, CA, 92021
EPA public record No open violations
Part of MOUNTAIN MATERIALS INC — 2 EPA-regulated sites nationwide
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Facility identity · canonical
- EPA Registry ID
- 110057071323
- RCRA Handler ID(s)
- CAR000198838
- Generator status
- —
- County
- SAN DIEGO
- EPA Region
- 09
- Active
- —
- NAICS
- 48423562112 · Hazardous waste collection48422
- Coordinates
- 32.857952, -116.822728
Compliance summary · canonical · as of Aug 11, 2026
3-year compliance history Not in the compliance universe for any of the last 12 quarters
Not in universe In violation Significant non-compliance
- Significant non-complier
- No
- Last inspection
- Oct 29, 2009
- Inspections (5 yr)
- —
- Informal actions (5 yr)
- —
- Formal actions (5 yr)
- —
- Total penalties
- —
Permits & authorizations · canonical
No permits on record.
Violations · canonical · 0 total, 0 open
No violations on record.
Inspection history · canonical · 1 total
| Date | Type | Agency | Outcome |
|---|---|---|---|
| Oct 29, 2009 | COMPLIANCE EVALUATION INSPECTION (CEI) | S | In compliance |
Related facilities near El Cajon
Data sources
EPA ECHO — this facility's detailed report — facility, compliance summary, permits, evaluations & violations
RCRAInfo evaluation and violation records for this facility are integrated into the
ECHO report linked above — RCRAInfo's own public search doesn't offer a stable
per-facility link. General source: EPA ECHO, EPA RCRAInfo.
Compliance, permit, and location data come straight from EPA and can't be edited.
Contact info and description come from the business's claimed listing, if any.
This profile is not an official regulatory determination.