Agricultural suitability “good”: the criteria in Annex II that your crop needs to meet
Eligible soil is not the only barrier to legally draining land in Mato Grosso. CONSEMA Resolution No. 36/2026 also requires that the intended crop have…
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Haplic Plinthosol × Argic Plinthosol: the difference that decides if you can drain
CONSEMA Resolution No. 36/2026 treats both Plinthosol subtypes as equally eligible for drainage — but in practice, Haplic and Argiluvic behave like different soils underground.…
Poor Drainage Design: The Mistakes That Cost Dearly After Construction
Drainage delivers the promised results in the first few months — the area is dry, machinery can enter without getting stuck, and harvesting normalizes. The…
How does the drainage of a tailings pile work?
How does tailings pile drainage work? Tailings pile drainage removes infiltrated water before it saturates the mass, eliminates shear strength, and causes failure. Perforated HDPE…
Maximum Depth and Drainage Layout: How to Design Legally in MT
CONSEMA Resolution No. 36/2026 doesn’t just regulate who can drain in Mato Grosso — it regulates how the drain can be designed. Three requirements directly…
What drainage license does your project need: LAU, PCA, RCA, diagnostic, or EIA/RIMA?
The same question — “is my soil hydromorphic?” — leads to completely different documents depending on a second question that few producers ask before contacting…
Old drain, consolidated area: when can operations continue without re-licensing
If the drainage system on your property has existed for years and never had formal licensing, the first question isn’t “will I be fined?” —…
Drainage in clay soil: how to ensure efficiency in low-permeability terrain
Designing a drainage system in clay soils is one of the biggest challenges in civil and agronomic engineering. Unlike sandy soils, clay has very fine…
Drainage System Failing? Learn About Installation Errors That Destroy Project Efficiency
Investing in a drainage system and realizing that, during the first heavy rain, water continues to accumulate is one of the biggest financial bottlenecks in…
HDPE or Concrete for Drainage? The Comparison Engineers Need to See
HDPE or Concrete for Drainage? The Comparison Engineers Need to See The decision between corrugated HDPE pipe and concrete pipe impacts project cost, timeline, and…
Drainage on rural roads: Definitive solution against erosion and mud holes
Rural roads are the arteries of agribusiness and rural life. When these roads fail, crop transportation stops, school transport is interrupted, and fleet maintenance costs…
Technical Standards for HDPE Pipes: What to Require in the Executive Project?
The choice of material for an infrastructure work directly influences the safety, durability, and performance of the network over the years. In the case of…
Retrofit of Drainage Networks: How to Modernize Old Infrastructure with HDPE Pipes
A large part of Brazil’s drainage infrastructure — on highways, airports, railways, subdivisions, and industrial areas — was designed decades ago for a land use…
Surface or underground drainage? How to know which one your land needs
Two puddles of water on the same property can have completely different causes — and each requires a different solution. Confusing the two is the…
The 100-meter zone: what is prohibited near a wetland area in MT
If your dry area borders a wetland or restricted-use area in Mato Grosso, CONSEMA Resolution No. 36/2026 establishes a 100-meter buffer zone where certain activities…
French Drain: How to Build, When to Use, and the Mistakes That Clog the System
A French drain is a trench filled with granular material and wrapped in geotextile fabric, which captures water that saturates the soil and directs it…
Disagree with the SEMA map? How the technical report with ART works to reclassify your area
In the previous article in this series, we saw that SEMA’s official map for wetlands in Mato Grosso is built on a 1:250,000 scale —…
Drainage and the Environment: Erosion, Nutrient Loss, and the Counterintuitive Side
There is an objection that always arises when discussing land drainage: “isn’t that bad for the environment?” The correct answer is counterintuitive. A well-designed drainage…
260 hectares: the number that decides if your drainage project becomes a full EIA/RIMA
In a wetland area in Mato Grosso, 260 hectares is the number that separates a relatively simple licensing process from a full EIA/RIMA — the…
Herringbone Drainage: what it is, how it works, and when to use it
The official technical recommendation for the pitches of the stadiums and training centres of the 2014 World Cup in Brazil specifies a drainage design in…
Drainage is agricultural safety: what protection does your crop justify
Every drainage system is designed for a design storm — an event that, statistically, repeats every X years. The rarer the chosen event, the more…
The “Little Pools” Law: does my warehouse > 500 m² require a detention reservoir?
Yes. State Decree SP 41.814/2002 and Law 12.526/2007 require any owner who impermeabilizes > 500 m² to install a detention or retention reservoir in the…
Restricted Use Area (RUA): what changes when your land receives this classification
Not all wetlands in Mato Grosso have the same level of restriction. When an area is classified as a Restricted Use Area (AUR) — and…
Agricultural drainage maintenance: silting, roots, and the outlet no one inspects
The system worked well in the first few years. Suddenly, water drains slower from the ditches, or the area becomes waterlogged again after heavy rain.…
Hydromorphic Soil: Field Signs That Indicate if Your Land Fits the Description
The Mato Grosso law uses a technical term — “hydromorphic soil” — to decide if your area falls under the rules of CONSEMA Resolution No.…
How to drain a solar power plant on clay soil?
In clayey soil, the solar power plant requires underground drains with a filter envelope (Techdreno KC — eliminates the need for separate geotextile and on-site…
Is Deeper Always Better? What Determines the Right Depth for Agricultural Drainage
“Let’s dig deeper to solve it once and for all” is one of the most expensive decisions made when designing an agricultural drainage system. The…
What is a “wetland” according to MT law — and why your plot may qualify without you knowing
The term “wetland” might bring to mind swamps, year-round standing water, or obvious landscapes. Mato Grosso law doesn’t define it that way. According to CONSEMA…
High ground, but still waterlogged? The reason isn’t the water table
The plot is on high ground, far from any low-lying area. Even so, after heavy rain, a waterlogged patch appears right in the middle of…
Which pipe to use for railway platform drainage? DW, concrete, and TB-360 load
For railway platform deep drains, the double-wall HDPE pipe (Techdreno DW) with SN8 stiffness is the product that combines TB-360 load resistance, durability in tropical…
Can my soil have legalized drainage? The technical criteria of the new MT law
Not all waterlogged soil in Mato Grosso can receive a legalized drain — even if the water sits exactly the same way. CONSEMA Resolution nº…
New agricultural drainage law in wetlands of MT: what changes and who needs to act
Since June 30th, Mato Grosso has a new law for those who drain crops in wetlands or hydromorphic soils: CONSEMA Resolution nº 36/2026. If you…
Drain or decompact first? The mistake that makes the pipe not solve
You installed the drain, the depth was correct, the slope was correct — and the water remains stagnant. The pipe is not defective. The installation…
Drainage Envelope: The Decision That Determines System Longevity or Failure
The pipe was right. The depth was right. The slope was right. And in two or three years, the system stopped working. This is one…
What is mud pumping in railways and how to eliminate it
Mud pumping is the process where fine particles from the subgrade rise into the ballast due to train pressure. Responsible for ~92% of track structural…
Ochre in Drains: The Silent Clogging of Brazil’s Ferruginous Soils
You installed the drainage, it worked well for the first few years — and suddenly the water stopped flowing out. No roots in the pipe,…