Groundwatch Geophysical Surveying Services

Groundwatch Geophysical Surveying Services Groundwatch helps clients see what lies beneath before they build, drill, or excavate.

Through reliable geophysical surveys, we identify underground risks, support smarter planning, and provide clear data for safer, faster, and more confident projects.

Good data starts with simple discipline: keeping our measuring lines straight, properly spaced, and carefully checked. T...
18/06/2026

Good data starts with simple discipline: keeping our measuring lines straight, properly spaced, and carefully checked.

Taking the time to lay out our cables and sensors perfectly in tough terrain makes it much easier to read the results later. On real site projects, taking shortcuts during this initial scanning phase is often where unexpected delays and extra costs begin.

Electrical Resistivity Tomography (ERT) does not replace standard soil tests. It improves planning by helping teams spot...
16/06/2026

Electrical Resistivity Tomography (ERT) does not replace standard soil tests. It improves planning by helping teams spot hidden changes in the ground, map out rock and clay layers, and figure out where problems might be hiding. Better clues lead to better ground models. Better ground models lead to better decisions!

ADVISORY ALERT ⚠️Please be advised that one of Rocheller Gaston’s mobile phones has been lost, and an unknown individual...
10/06/2026

ADVISORY ALERT ⚠️

Please be advised that one of Rocheller Gaston’s mobile phones has been lost, and an unknown individual may be using the device, phone number, and associated accounts to impersonate him.

If you receive any emails, messages, calls, WhatsApp, Viber, or other communications from the following:

📧 [email protected]
📱 +63 975 195 2814

Please do not respond, disclose any information, send money, share OTPs, passwords, company data, or click any links provided.

These communications should be treated as unauthorized and potentially fraudulent until further notice.

If you receive any suspicious messages claiming to be from Rocheller, kindly:
✅ Ignore the message
✅ Do not share confidential information
✅ Report it to management or IT immediately
✅ Inform Rocheller through her verified contact channels

Thank you for your cooperation and vigilance.

— Management

By mapping the electrical properties of the subsurface, ERT identifies changes in soil and rock formations—allowing team...
10/06/2026

By mapping the electrical properties of the subsurface, ERT identifies changes in soil and rock formations—allowing teams to distinguish between conductive water layers and highly resistive bedrock before excavation begins.

It does not replace data validation. It improves planning by helping teams identify where to look closer, what to expect, and which subsurface conditions need confirmation. Better interpretation leads to better ground models. Better ground models lead to better decisions!

A low resistivity reading tells you the ground is highly conductive. Geophysics helps show whether that signature means ...
08/06/2026

A low resistivity reading tells you the ground is highly conductive. Geophysics helps show whether that signature means a promising groundwater zone or just a layer of clay.

It does not replace data validation. It improves planning by helping teams identify where to look closer, what to expect, and which subsurface conditions need confirmation. Better interpretation leads to better ground models. Better ground models lead to better decisions!

A borehole tells you what is happening at one exact point. Geophysics helps show how conditions may change between those...
04/06/2026

A borehole tells you what is happening at one exact point. Geophysics helps show how conditions may change between those points.

It does not replace drilling. It improves planning by helping teams identify where to drill, what to expect, and which ground conditions need confirmation. Better questions lead to better ground models. Better ground models lead to better decisions!

Boreholes give direct point data. Geophysics helps connect the spaces between those points so planning can be more clear...
27/05/2026

Boreholes give direct point data. Geophysics helps connect the spaces between those points so planning can be more clearer.

Use geophysics before or alongside drilling.

Ground conditions can change across a site. What is found in one borehole may not be the same a few meters away.Our surv...
25/05/2026

Ground conditions can change across a site. What is found in one borehole may not be the same a few meters away.

Our surveys help image the spaces between boreholes, giving engineers and project owners a better view of what may be underground before making important decisions.

Ask how to reduce blind spots between boreholes.

24/05/2026

Unexpected ground conditions can quickly become expensive delays.
Check below ground early, so construction decisions are based on data—not surprises.
Message us with your site concern!

Proud moment for the Groundwatch crew at GEOCON 2025.Beyond the fieldwork, data, and long survey days, moments like this...
24/05/2026

Proud moment for the Groundwatch crew at GEOCON 2025.

Beyond the fieldwork, data, and long survey days, moments like this remind us why teamwork matters. Grateful for the recognition, the camaraderie, and the opportunity to represent practical geophysics in the Philippines.

See More. Plan Better.

Check. Map. Confirm. Decide.

Address

San Pablo City
4000

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

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