Why this section exists
Since the neighbourhood’s first letter to SIA Livonia Print in June 2026, nothing has changed. The installation runs exactly as before. The central question — whether an acoustic enclosure will be fitted around the Nestro filter — has never been answered.
That is why this section exists. While the question goes unanswered and the noise continues, we continue to inform the public about the situation — on this site, on social networks and in the local community. We do not do it to harm the company; we do it because in five years nothing has changed and no other route is left.
Our commitment stands alongside it: if the company begins work to reduce the noise, we will acknowledge it publicly just as clearly and just as prominently as we now write about the problem. We have no interest in conflict — we have an interest in quiet at night.
Legal basis
- Article 100 of the Constitution of Latvia — everyone has the right to freedom of expression, including the right to freely receive, keep and distribute information.
- Article 115 of the Constitution — the State protects the right of everyone to live in a benevolent environment by providing information about environmental conditions.
- The Aarhus Convention — the public’s right of access to environmental information, participation in decision-making and access to justice in environmental matters.
- The Freedom of Information Law and the Law on Submissions — the basis for residents’ submissions and information requests to public authorities.
How we work
- We publish only what is documented, or we state clearly that something is a resident’s own account.
- We make no allegations of unlawful conduct by any person or company.
- We separate fact from opinion and say when a calculation is indicative.
- We do not dispute the competence of accredited laboratories or competent authorities.
- If anything here is inaccurate, write to [email protected] and we will correct it.
- If SIA “Livonia Print” wishes to state its position, we will publish it unabridged.
How to Complain About Industrial Noise in Latvia: A Step-by-Step Guide
A practical guide for residents — which authority to write to, what belongs in a submission, what the deadlines are, and what to do if the answer is unsatisfactory.
Low-Frequency Noise and Health: What the Research Shows
What WHO guidance and published research say about continuous low-frequency noise and its effects on sleep, stress and the cardiovascular system.
ISO 14001 and Neighbour Complaints: What the Standard Actually Requires
What an environmental management standard says about interested parties and public complaints, whether noise is an environmental aspect, and what certification does not guarantee.
Noise Limit Values in Latvia: What They Are and How to Read Them
How environmental noise limits are set in Latvia, why they differ by territory type and time of day, and what a limit value actually means.
How to Document and Record Noise Yourself So It Actually Counts
A noise log, timestamped audio, phone apps and their limits. How to prepare material an authority will not dismiss in a single sentence.
Measurement Uncertainty: What ±3 dB in the Report Footer Means
Every noise measurement carries an uncertainty. Why it is not an error, why it is often excluded from the conclusion, and when that matters.
Tonality: Why a Steady Tone Disturbs More Than Equally Loud Hiss
What tonal noise is, why standards provide a tonality correction, and how to check whether one has been applied in a measurement report.
Residual Noise: How to Establish How Much One Installation Contributes
Measuring with the source running and switched off is the only way to separate an installation's noise from the background. How it is done and what ruins the comparison.
A-Weighting and Low Frequencies: Why a Hum Nearly Disappears in Measurements
Why standard A-weighting cuts low frequencies by 30 decibels or more, and why a conclusion about low-frequency dominance should not be drawn from A-weighted data.
Why Meeting Noise Limits Does Not Mean There Is No Noise Problem
A measurement can correctly show that limit values are not exceeded and still fail to describe what people live with every night. Why that happens, and what it means legally.
How Accredited Environmental Noise Measurements Work and How to Read a Report
What accreditation means, how measurement points and periods are chosen, what residual noise is, and how to read uncertainty and the tonality correction.
A Night in a Neighbourhood With Constant Noise: What It Looks Like From Inside
How people live when their windows have been shut for years. Why monotonous noise exhausts more than loud noise, and why neighbours so often perceive it differently.
Pollution Permits and Noise Conditions: Why Many Installations Have None
The difference between category A, B and C activities, why noise conditions are usually not set for category C, and what that means for neighbours.
Indoor Noise Measurement With Closed Windows: Why the Method Often Fails
The standard method for assessing noise in dwellings requires closed windows. Why, for low-frequency hum, it measures the consequence of the problem rather than the problem.
What Happens After You Report Industrial Noise
The process step by step: what follows a submission, why a case moves between authorities, how long it takes, and the moments where a resident can actually influence it.
Outdoor Industrial Installations Next to Housing: Why They Are a Different Problem
Why equipment placed outdoors rather than inside a building spreads noise completely differently, and what solutions exist where a plant and homes sit side by side.
Why Noise Measurements Alone Do Not Solve the Problem
A measurement answers a legal question about limit values, not whether the noise disturbs anyone. Why "we'll measure first" so often means a year with no solution.
Seven Letters to SIA Livonia Print and One Substantive Reply
Seven letters have gone to the company since 22 June 2026. What they asked for, what the company answered, and why silence carries weight in cases like this.
Five Years of Continuous Noise: How the Situation Developed Since 2021
How the soundscape of a Riga neighbourhood changed after an outdoor filter went in, why nobody reported it for years, and what changed when residents finally began writing.
What a Nestro Filter Is and Why It Produces a Continuous Hum
How a Nestro dust extraction system works in a printing plant, why the fan generates low-frequency noise that carries so far, and which acoustic solutions exist.
Livonia Print Noise in Riga: What Is Happening at Jūrkalnes iela 15/25
The outdoor Nestro filter at SIA Livonia Print, Jūrkalnes iela 15/25 in Riga runs 24 hours a day. How the noise behaves, which streets it reaches, and what residents have asked for.