Gerolsteiner vs Mountain Valley Spring Water:Which is more popular?
In September 2026, Mountain Valley Spring Water had more branded searches than Gerolsteiner among mineral water brands worldwide. Mountain Valley Spring Water had about 101,000 branded searches, while Gerolsteiner had 90,500. Mountain Valley Spring Water made up 14.4% of all mineral water brand searches we track, and Gerolsteiner accounted for 12.9%. When we asked ChatGPT and Google AI Overviews about mineral water brands, Mountain Valley Spring Water appeared in all five answers and Gerolsteiner in four. Gerolsteiner was mentioned before Mountain Valley Spring Water in three out of five answers.
Who do people search for more?
Mountain Valley Spring Water, about 12% more searches than Gerolsteiner
Who does AI mention more?
Mountain Valley Spring Water, mentioned in every answer we collected
Who does AI recommend more?
Gerolsteiner, named ahead of Mountain Valley Spring Water in 3 of 5 answers
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Top mineral water brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Mountain Valley Spring Water appeared in all five answers. Gerolsteiner was mentioned in four out of five: in all three ChatGPT answers and in one of the two Google AI Overviews. Gerolsteiner was listed before Mountain Valley Spring Water in three out of five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
San Pellegrino5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers- Mountain Valley Spring Water5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
- Gerolsteiner4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Evian3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Perrier3 of 5Named in 1 of 3 ChatGPT answersNamed in 2 of 2 Google answers
See every answer about mineral water brands
5 answers
Asked ChatGPT
“Which mineral water brand should I buy?”
Asked ChatGPT
“What are the best mineral water brands?”
Asked ChatGPT
“What's the best mineral water brand for everyday drinking?”
Searched Google, AI Overview
“mineral water brands”
Searched Google, AI Overview
“sparkling water brands”
Brands are shown in the order each answer named them. The survey took place in the United States on October 21, 2026.
Is Gerolsteiner or Mountain Valley Spring Water more popular in search?
This chart shows how often people search Google for Gerolsteiner and Mountain Valley Spring Water by name. Each line represents a brand's share of searches for all five mineral water brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Mountain Valley Spring Water, Gerolsteiner. The figures are in the table below the chart.
View monthly share of searches table
| Month | San Pellegrino | Evian | Mountain Valley Spring Water | Gerolsteiner | Perrier |
|---|---|---|---|---|---|
| Oct 2025 | 37.6% | 21.7% | 14.3% | 11.9% | 14.5% |
| Nov 2025 | 40.1% | 18.8% | 15.2% | 10.4% | 15.5% |
| Dec 2025 | 30.2% | 10.8% | 8.7% | 6% | 44.3% |
| Jan 2026 | 43.7% | 16.8% | 16.6% | 9.2% | 13.8% |
| Feb 2026 | 42.7% | 20.6% | 16.1% | 9.3% | 11.3% |
| Mar 2026 | 40.1% | 18.9% | 17.9% | 10.4% | 12.7% |
| Apr 2026 | 37.5% | 21.6% | 17.3% | 11.8% | 11.8% |
| May 2026 | 41.5% | 19.5% | 15.2% | 10.7% | 13% |
| Jun 2026 | 31.7% | 40.7% | 9.5% | 8.2% | 9.9% |
| Jul 2026 | 41.6% | 23.1% | 12.1% | 12.7% | 10.4% |
| Aug 2026 | 41.7% | 19.7% | 14.7% | 13.1% | 10.8% |
| Sep 2026 | 40.7% | 19.2% | 14.4% | 12.9% | 12.9% |
How has the Gerolsteiner and Mountain Valley Spring Water comparison changed over the last 12 months?
3 findings
- The lead changed hands 2 times in the 12 months ending September 2026: Gerolsteiner took it in July 2026, Mountain Valley Spring Water took it in August 2026.
- Across the 12 months ending September 2026, Gerolsteiner’s share of searches among mineral water brands worldwide moved from 11.9% to 12.9%, and its estimated monthly branded searches moved from 74K to 90.5K.
- Across the 12 months ending September 2026, Mountain Valley Spring Water’s share of searches among mineral water brands worldwide moved from 14.3% to 14.4%, and its estimated monthly branded searches moved from 88.8K to 101K.
How did search popularity change for mineral water brands worldwide in September 2026?
2 changes
Estimated monthly branded searches for Gerolsteiner worldwide rose 22.3% over 12 measured months, from 74K to 90.5K in September 2026.
Estimated monthly branded searches for Mountain Valley Spring Water worldwide rose 13.9% over 12 measured months, from 88.8K to 101K in September 2026.
How are branded searches counted?
3 search terms
Brandwave collects information about searches that people make online using Gerolsteiner’s and Mountain Valley Spring Water’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Gerolsteiner
1 branded search term
- gerolsteiner
Mountain Valley Spring Water
2 branded search terms
- mountain valley spring water
- mountain valley water
Other head-to-heads among mineral water brands
- San Pellegrino vs Evian: compare popularity
- San Pellegrino vs Mountain Valley Spring Water: compare popularity
- San Pellegrino vs Gerolsteiner: compare popularity
- San Pellegrino vs Perrier: compare popularity
- Evian vs Mountain Valley Spring Water: compare popularity
- Evian vs Gerolsteiner: compare popularity
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